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WIP on PostgreSQL data impl

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This commit is contained in:
Daniel J. Summers 2022-08-18 13:49:41 -04:00
parent b3c008629a
commit 73c7a686a4
12 changed files with 799 additions and 620 deletions
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1
src/MyWebLog.Data/MyWebLog.Data.fsproj
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@ -39,6 +39,7 @@
<Compile Include="PostgreSql\PostgreSqlThemeData.fs" />
<Compile Include="PostgreSql\PostgreSqlUploadData.fs" />
<Compile Include="PostgreSql\PostgreSqlWebLogData.fs" />
<Compile Include="PostgreSql\PostgreSqlWebLogUserData.fs" />
<Compile Include="PostgreSqlData.fs" />
</ItemGroup>

56
src/MyWebLog.Data/PostgreSql/PostgreSqlCategoryData.fs
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@ -10,14 +10,14 @@ type PostgreSqlCategoryData (conn : NpgsqlConnection) =
/// Count all categories for the given web log
let countAll webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT COUNT(id) AS the_count FROM category WHERE web_log_id = @webLogId"
|> Sql.query $"SELECT COUNT(id) AS {countName} FROM category WHERE web_log_id = @webLogId"
|> Sql.parameters [ webLogIdParam webLogId ]
|> Sql.executeRowAsync Map.toCount
/// Count all top-level categories for the given web log
let countTopLevel webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT COUNT(id) FROM category WHERE web_log_id = @webLogId AND parent_id IS NULL"
|> Sql.query $"SELECT COUNT(id) AS {countName} FROM category WHERE web_log_id = @webLogId AND parent_id IS NULL"
|> Sql.parameters [ webLogIdParam webLogId ]
|> Sql.executeRowAsync Map.toCount
@ -41,13 +41,13 @@ type PostgreSqlCategoryData (conn : NpgsqlConnection) =
|> inClause "id" id
let postCount =
Sql.existingConnection conn
|> Sql.query $"""
SELECT COUNT(DISTINCT p.id) AS the_count
|> Sql.query $"
SELECT COUNT(DISTINCT p.id) AS {countName}
FROM post p
INNER JOIN post_category pc ON pc.post_id = p.id
WHERE p.web_log_id = @webLogId
AND p.status = 'Published'
AND pc.category_id IN ({catIdSql})"""
AND pc.category_id IN ({catIdSql})"
|> Sql.parameters (webLogIdParam webLogId :: catIdParams)
|> Sql.executeRowAsync Map.toCount
|> Async.AwaitTask
@ -66,14 +66,12 @@ type PostgreSqlCategoryData (conn : NpgsqlConnection) =
|> Array.ofSeq
}
/// Find a category by its ID for the given web log
let findById catId webLogId = backgroundTask {
let! cat =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM category WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters [ "@id", Sql.string (CategoryId.toString catId); webLogIdParam webLogId ]
|> Sql.executeAsync Map.toCategory
return List.tryHead cat
}
let findById catId webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM category WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters [ "@id", Sql.string (CategoryId.toString catId); webLogIdParam webLogId ]
|> Sql.executeAsync Map.toCategory
|> tryHead
/// Find all categories for the given web log
let findByWebLog webLogId =
@ -88,13 +86,13 @@ type PostgreSqlCategoryData (conn : NpgsqlConnection) =
match! findById catId webLogId with
| Some cat ->
// Reassign any children to the category's parent category
let parentParam = "@parentId", Sql.string (CategoryId.toString catId)
let! children =
let parentParam = "@parentId", Sql.string (CategoryId.toString catId)
let! hasChildren =
Sql.existingConnection conn
|> Sql.query "SELECT COUNT(id) AS the_count FROM category WHERE parent_id = @parentId"
|> Sql.query $"SELECT EXISTS (SELECT 1 FROM category WHERE parent_id = @parentId) AS {existsName}"
|> Sql.parameters [ parentParam ]
|> Sql.executeRowAsync Map.toCount
if children > 0 then
|> Sql.executeRowAsync Map.toExists
if hasChildren then
let! _ =
Sql.existingConnection conn
|> Sql.query "UPDATE category SET parent_id = @newParentId WHERE parent_id = @parentId"
@ -106,24 +104,24 @@ type PostgreSqlCategoryData (conn : NpgsqlConnection) =
// Delete the category off all posts where it is assigned, and the category itself
let! _ =
Sql.existingConnection conn
|> Sql.query """
DELETE FROM post_category
WHERE category_id = @id
AND post_id IN (SELECT id FROM post WHERE web_log_id = @webLogId);
DELETE FROM category WHERE id = @id"""
|> Sql.query
"DELETE FROM post_category
WHERE category_id = @id
AND post_id IN (SELECT id FROM post WHERE web_log_id = @webLogId);
DELETE FROM category WHERE id = @id"
|> Sql.parameters [ "@id", Sql.string (CategoryId.toString catId); webLogIdParam webLogId ]
|> Sql.executeNonQueryAsync
return if children = 0 then CategoryDeleted else ReassignedChildCategories
return if hasChildren then ReassignedChildCategories else CategoryDeleted
| None -> return CategoryNotFound
}
/// The INSERT statement for a category
let catInsert = """
INSERT INTO category (
let catInsert =
"INSERT INTO category (
id, web_log_id, name, slug, description, parent_id
) VALUES (
@id, @webLogId, @name, @slug, @description, @parentId
)"""
)"
/// Create parameters for a category insert / update
let catParameters (cat : Category) = [
@ -139,12 +137,12 @@ type PostgreSqlCategoryData (conn : NpgsqlConnection) =
let save cat = backgroundTask {
let! _ =
Sql.existingConnection conn
|> Sql.query $"""
|> Sql.query $"
{catInsert} ON CONFLICT (id) DO UPDATE
SET name = EXCLUDED.name,
slug = EXCLUDED.slug,
description = EXCLUDED.description,
parent_id = EXCLUDED.parent_id"""
parent_id = EXCLUDED.parent_id"
|> Sql.parameters (catParameters cat)
|> Sql.executeNonQueryAsync
()

58
src/MyWebLog.Data/PostgreSql/PostgreSqlHelpers.fs
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@ -2,6 +2,7 @@
[<AutoOpen>]
module MyWebLog.Data.PostgreSql.PostgreSqlHelpers
open System.Threading.Tasks
open MyWebLog
open Newtonsoft.Json
open Npgsql.FSharp
@ -10,19 +11,11 @@ open Npgsql.FSharp
let webLogIdParam webLogId =
"@webLogId", Sql.string (WebLogId.toString webLogId)
/// Create the SQL and parameters to find a page or post by one or more prior permalinks
let priorPermalinkSql permalinks =
let mutable idx = 0
permalinks
|> List.skip 1
|> List.fold (fun (linkSql, linkParams) it ->
idx <- idx + 1
$"{linkSql} OR prior_permalinks && ARRAY[@link{idx}]",
($"@link{idx}", Sql.string (Permalink.toString it)) :: linkParams)
(Seq.ofList permalinks
|> Seq.map (fun it ->
"prior_permalinks && ARRAY[@link0]", [ "@link0", Sql.string (Permalink.toString it) ])
|> Seq.head)
/// The name of the field to select to be able to use Map.toCount
let countName = "the_count"
/// The name of the field to select to be able to use Map.toExists
let existsName = "does_exist"
/// Create the SQL and parameters for an IN clause
let inClause<'T> name (valueFunc: 'T -> string) (items : 'T list) =
@ -36,6 +29,26 @@ let inClause<'T> name (valueFunc: 'T -> string) (items : 'T list) =
|> Seq.map (fun it -> $"@%s{name}0", [ $"@%s{name}0", Sql.string (valueFunc it) ])
|> Seq.head)
/// Create the SQL and parameters for the array equivalent of an IN clause
let arrayInClause<'T> name (valueFunc : 'T -> string) (items : 'T list) =
let mutable idx = 0
items
|> List.skip 1
|> List.fold (fun (itemS, itemP) it ->
idx <- idx + 1
$"{itemS} OR %s{name} && ARRAY[@{name}{idx}]",
($"@{name}{idx}", Sql.string (valueFunc it)) :: itemP)
(Seq.ofList items
|> Seq.map (fun it ->
$"{name} && ARRAY[@{name}0]", [ $"@{name}0", Sql.string (valueFunc it) ])
|> Seq.head)
/// Get the first result of the given query
let tryHead<'T> (query : Task<'T list>) = backgroundTask {
let! results = query
return List.tryHead results
}
/// Mapping functions for SQL queries
module Map =
@ -55,7 +68,7 @@ module Map =
/// Get a count from a row
let toCount (row : RowReader) =
row.int "the_count"
row.int countName
/// Create a custom feed from the current row
let toCustomFeed (row : RowReader) : CustomFeed =
@ -88,7 +101,7 @@ module Map =
/// Get a true/false value as to whether an item exists
let toExists (row : RowReader) =
row.bool "does_exist"
row.bool existsName
/// Create a meta item from the current row
let toMetaItem (row : RowReader) : MetaItem =
@ -213,3 +226,18 @@ module Map =
}
}
/// Create a web log user from the current row
let toWebLogUser (row : RowReader) : WebLogUser =
{ Id = row.string "id" |> WebLogUserId
WebLogId = row.string "web_log_id" |> WebLogId
Email = row.string "email"
FirstName = row.string "first_name"
LastName = row.string "last_name"
PreferredName = row.string "preferred_name"
PasswordHash = row.string "password_hash"
Salt = row.uuid "salt"
Url = row.stringOrNone "url"
AccessLevel = row.string "access_level" |> AccessLevel.parse
CreatedOn = row.dateTime "created_on"
LastSeenOn = row.dateTimeOrNone "last_seen_on"
}

143
src/MyWebLog.Data/PostgreSql/PostgreSqlPageData.fs
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@ -55,6 +55,13 @@ type PostgreSqlPageData (conn : NpgsqlConnection) =
()
}
/// Does the given page exist?
let pageExists pageId webLogId =
Sql.existingConnection conn
|> Sql.query $"SELECT EXISTS (SELECT 1 FROM page WHERE id = @id AND web_log_id = @webLogId) AS {existsName}"
|> Sql.parameters [ "@id", Sql.string (PageId.toString pageId); webLogIdParam webLogId ]
|> Sql.executeRowAsync Map.toExists
// IMPLEMENTATION FUNCTIONS
/// Get all pages for a web log (without text, revisions, prior permalinks, or metadata)
@ -67,26 +74,28 @@ type PostgreSqlPageData (conn : NpgsqlConnection) =
/// Count all pages for the given web log
let countAll webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT COUNT(id) AS the_count FROM page WHERE web_log_id = @webLogId"
|> Sql.query $"SELECT COUNT(id) AS {countName} FROM page WHERE web_log_id = @webLogId"
|> Sql.parameters [ webLogIdParam webLogId ]
|> Sql.executeRowAsync Map.toCount
/// Count all pages shown in the page list for the given web log
let countListed webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT COUNT(id) AS the_count FROM page WHERE web_log_id = @webLogId AND is_in_page_list = TRUE"
|> Sql.query $"
SELECT COUNT(id) AS {countName}
FROM page
WHERE web_log_id = @webLogId
AND is_in_page_list = TRUE"
|> Sql.parameters [ webLogIdParam webLogId ]
|> Sql.executeRowAsync Map.toCount
/// Find a page by its ID (without revisions)
let findById pageId webLogId = backgroundTask {
let! page =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM page WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters [ "@id", Sql.string (PageId.toString pageId); webLogIdParam webLogId ]
|> Sql.executeAsync Map.toPage
return List.tryHead page
}
let findById pageId webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM page WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters [ "@id", Sql.string (PageId.toString pageId); webLogIdParam webLogId ]
|> Sql.executeAsync Map.toPage
|> tryHead
/// Find a complete page by its ID
let findFullById pageId webLogId = backgroundTask {
@ -99,40 +108,38 @@ type PostgreSqlPageData (conn : NpgsqlConnection) =
/// Delete a page by its ID
let delete pageId webLogId = backgroundTask {
match! findById pageId webLogId with
| Some _ ->
match! pageExists pageId webLogId with
| true ->
let! _ =
Sql.existingConnection conn
|> Sql.query """
DELETE FROM page_revision WHERE page_id = @id;
DELETE FROM page WHERE id = @id"""
|> Sql.query
"DELETE FROM page_revision WHERE page_id = @id;
DELETE FROM page WHERE id = @id"
|> Sql.parameters [ "@id", Sql.string (PageId.toString pageId) ]
|> Sql.executeNonQueryAsync
return true
| None -> return false
| false -> return false
}
/// Find a page by its permalink for the given web log
let findByPermalink permalink webLogId = backgroundTask {
let! page =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM page WHERE web_log_id = @webLogId AND permalink = @link"
|> Sql.parameters [ webLogIdParam webLogId; "@link", Sql.string (Permalink.toString permalink) ]
|> Sql.executeAsync Map.toPage
return List.tryHead page
}
let findByPermalink permalink webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM page WHERE web_log_id = @webLogId AND permalink = @link"
|> Sql.parameters [ webLogIdParam webLogId; "@link", Sql.string (Permalink.toString permalink) ]
|> Sql.executeAsync Map.toPage
|> tryHead
/// Find the current permalink within a set of potential prior permalinks for the given web log
let findCurrentPermalink permalinks webLogId = backgroundTask {
if List.isEmpty permalinks then return None
else
let linkSql, linkParams = priorPermalinkSql permalinks
let! links =
let linkSql, linkParams = arrayInClause "prior_permalinks" Permalink.toString permalinks
return!
Sql.existingConnection conn
|> Sql.query $"SELECT permalink FROM page WHERE web_log_id = @webLogId AND ({linkSql})"
|> Sql.parameters (webLogIdParam webLogId :: linkParams)
|> Sql.executeAsync Map.toPermalink
return List.tryHead links
|> tryHead
}
/// Get all complete pages for the given web log
@ -144,12 +151,12 @@ type PostgreSqlPageData (conn : NpgsqlConnection) =
|> Sql.executeAsync Map.toPage
let! revisions =
Sql.existingConnection conn
|> Sql.query """
SELECT *
FROM page_revision pr
INNER JOIN page p ON p.id = pr.page_id
WHERE p.web_log_id = @webLogId
ORDER BY pr.as_of DESC"""
|> Sql.query
"SELECT *
FROM page_revision pr
INNER JOIN page p ON p.id = pr.page_id
WHERE p.web_log_id = @webLogId
ORDER BY pr.as_of DESC"
|> Sql.parameters [ webLogIdParam webLogId ]
|> Sql.executeAsync (fun row -> PageId (row.string "page_id"), Map.toRevision row)
return
@ -168,24 +175,24 @@ type PostgreSqlPageData (conn : NpgsqlConnection) =
/// Get a page of pages for the given web log (without revisions)
let findPageOfPages webLogId pageNbr =
Sql.existingConnection conn
|> Sql.query"""
SELECT *
FROM page
WHERE web_log_id = @webLogId
ORDER BY LOWER(title)
LIMIT @pageSize OFFSET @toSkip"""
|> Sql.query
"SELECT *
FROM page
WHERE web_log_id = @webLogId
ORDER BY LOWER(title)
LIMIT @pageSize OFFSET @toSkip"
|> Sql.parameters [ webLogIdParam webLogId; "@pageSize", Sql.int 26; "@toSkip", Sql.int ((pageNbr - 1) * 25) ]
|> Sql.executeAsync Map.toPage
/// The INSERT statement for a page
let pageInsert = """
INSERT INTO page (
let pageInsert =
"INSERT INTO page (
id, web_log_id, author_id, title, permalink, prior_permalinks, published_on, updated_on, is_in_page_list,
template, page_text, meta_items
) VALUES (
@id, @webLogId, @authorId, @title, @permalink, @priorPermalinks, @publishedOn, @updatedOn, @isInPageList,
@template, @text, @metaItems
)"""
)"
/// The parameters for saving a page
let pageParams (page : Page) = [
@ -203,29 +210,6 @@ type PostgreSqlPageData (conn : NpgsqlConnection) =
"@priorPermalinks", Sql.stringArray (page.PriorPermalinks |> List.map Permalink.toString |> Array.ofList)
]
/// Save a page
let save (page : Page) = backgroundTask {
let! oldPage = findFullById page.Id page.WebLogId
let! _ =
Sql.existingConnection conn
|> Sql.query $"""
{pageInsert} ON CONFLICT (id) DO UPDATE
SET author_id = EXCLUDED.author_id,
title = EXCLUDED.title,
permalink = EXCLUDED.permalink,
prior_permalinks = EXCLUDED.prior_permalinks,
published_on = EXCLUDED.published_on,
updated_on = EXCLUDED.updated_on,
is_in_page_list = EXCLUDED.is_in_page_list,
template = EXCLUDED.template,
page_text = EXCLUDED.text,
meta_items = EXCLUDED.meta_items"""
|> Sql.parameters (pageParams page)
|> Sql.executeNonQueryAsync
do! updatePageRevisions page.Id (match oldPage with Some p -> p.Revisions | None -> []) page.Revisions
()
}
/// Restore pages from a backup
let restore (pages : Page list) = backgroundTask {
let revisions = pages |> List.collect (fun p -> p.Revisions |> List.map (fun r -> p.Id, r))
@ -238,10 +222,33 @@ type PostgreSqlPageData (conn : NpgsqlConnection) =
()
}
/// Save a page
let save (page : Page) = backgroundTask {
let! oldPage = findFullById page.Id page.WebLogId
let! _ =
Sql.existingConnection conn
|> Sql.query $"
{pageInsert} ON CONFLICT (id) DO UPDATE
SET author_id = EXCLUDED.author_id,
title = EXCLUDED.title,
permalink = EXCLUDED.permalink,
prior_permalinks = EXCLUDED.prior_permalinks,
published_on = EXCLUDED.published_on,
updated_on = EXCLUDED.updated_on,
is_in_page_list = EXCLUDED.is_in_page_list,
template = EXCLUDED.template,
page_text = EXCLUDED.text,
meta_items = EXCLUDED.meta_items"
|> Sql.parameters (pageParams page)
|> Sql.executeNonQueryAsync
do! updatePageRevisions page.Id (match oldPage with Some p -> p.Revisions | None -> []) page.Revisions
()
}
/// Update a page's prior permalinks
let updatePriorPermalinks pageId webLogId permalinks = backgroundTask {
match! findById pageId webLogId with
| Some _ ->
match! pageExists pageId webLogId with
| true ->
let! _ =
Sql.existingConnection conn
|> Sql.query "UPDATE page SET prior_permalinks = @prior WHERE id = @id"
@ -250,7 +257,7 @@ type PostgreSqlPageData (conn : NpgsqlConnection) =
"@prior", Sql.stringArray (permalinks |> List.map Permalink.toString |> Array.ofList) ]
|> Sql.executeNonQueryAsync
return true
| None -> return false
| false -> return false
}
interface IPageData with

115
src/MyWebLog.Data/PostgreSql/PostgreSqlPostData.fs
View File

@ -24,8 +24,8 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
/// The SELECT statement for a post that will include category IDs
let selectPost =
"""SELECT *, ARRAY(SELECT cat.category_id FROM post_category cat WHERE cat.post_id = p.id) AS category_ids
FROM post"""
"SELECT *, ARRAY(SELECT cat.category_id FROM post_category cat WHERE cat.post_id = p.id) AS category_ids
FROM post"
/// Return a post with no revisions, prior permalinks, or text
let postWithoutText row =
@ -86,34 +86,37 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
()
}
/// Does the given post exist?
let postExists postId webLogId =
Sql.existingConnection conn
|> Sql.query $"SELECT EXISTS (SELECT 1 FROM post WHERE id = @id AND web_log_id = @webLogId) AS {existsName}"
|> Sql.parameters [ "@id", Sql.string (PostId.toString postId); webLogIdParam webLogId ]
|> Sql.executeRowAsync Map.toExists
// IMPLEMENTATION FUNCTIONS
/// Count posts in a status for the given web log
let countByStatus status webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT COUNT(id) AS the_count FROM post WHERE web_log_id = @webLogId AND status = @status"
|> Sql.query $"SELECT COUNT(id) AS {countName} FROM post WHERE web_log_id = @webLogId AND status = @status"
|> Sql.parameters [ webLogIdParam webLogId; "@status", Sql.string (PostStatus.toString status) ]
|> Sql.executeRowAsync Map.toCount
/// Find a post by its ID for the given web log (excluding revisions)
let findById postId webLogId = backgroundTask {
let! post =
Sql.existingConnection conn
|> Sql.query $"{selectPost} WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters [ "@id", Sql.string (PostId.toString postId); webLogIdParam webLogId ]
|> Sql.executeAsync Map.toPost
return List.tryHead post
}
let findById postId webLogId =
Sql.existingConnection conn
|> Sql.query $"{selectPost} WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters [ "@id", Sql.string (PostId.toString postId); webLogIdParam webLogId ]
|> Sql.executeAsync Map.toPost
|> tryHead
/// Find a post by its permalink for the given web log (excluding revisions and prior permalinks)
let findByPermalink permalink webLogId = backgroundTask {
let! post =
Sql.existingConnection conn
|> Sql.query $"{selectPost} WHERE web_log_id = @webLogId AND permalink = @link"
|> Sql.parameters [ webLogIdParam webLogId; "@link", Sql.string (Permalink.toString permalink) ]
|> Sql.executeAsync Map.toPost
return List.tryHead post
}
let findByPermalink permalink webLogId =
Sql.existingConnection conn
|> Sql.query $"{selectPost} WHERE web_log_id = @webLogId AND permalink = @link"
|> Sql.parameters [ webLogIdParam webLogId; "@link", Sql.string (Permalink.toString permalink) ]
|> Sql.executeAsync Map.toPost
|> tryHead
/// Find a complete post by its ID for the given web log
let findFullById postId webLogId = backgroundTask {
@ -126,31 +129,31 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
/// Delete a post by its ID for the given web log
let delete postId webLogId = backgroundTask {
match! findById postId webLogId with
| Some _ ->
match! postExists postId webLogId with
| true ->
let! _ =
Sql.existingConnection conn
|> Sql.query """
DELETE FROM post_revision WHERE post_id = @id;
DELETE FROM post_category WHERE post_id = @id;
DELETE FROM post WHERE id = @id"""
|> Sql.query
"DELETE FROM post_revision WHERE post_id = @id;
DELETE FROM post_category WHERE post_id = @id;
DELETE FROM post WHERE id = @id"
|> Sql.parameters [ "@id", Sql.string (PostId.toString postId) ]
|> Sql.executeNonQueryAsync
return true
| None -> return false
| false -> return false
}
/// Find the current permalink from a list of potential prior permalinks for the given web log
let findCurrentPermalink permalinks webLogId = backgroundTask {
if List.isEmpty permalinks then return None
else
let linkSql, linkParams = priorPermalinkSql permalinks
let! links =
let linkSql, linkParams = arrayInClause "prior_permalinks" Permalink.toString permalinks
return!
Sql.existingConnection conn
|> Sql.query $"SELECT permalink FROM post WHERE web_log_id = @webLogId AND ({linkSql}"
|> Sql.parameters (webLogIdParam webLogId :: linkParams)
|> Sql.executeAsync Map.toPermalink
return List.tryHead links
|> tryHead
}
/// Get all complete posts for the given web log
@ -162,12 +165,12 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
|> Sql.executeAsync Map.toPost
let! revisions =
Sql.existingConnection conn
|> Sql.query """
SELECT *
FROM post_revision pr
INNER JOIN post p ON p.id = pr.post_id
WHERE p.web_log_id = @webLogId
ORDER BY as_of DESC"""
|> Sql.query
"SELECT *
FROM post_revision pr
INNER JOIN post p ON p.id = pr.post_id
WHERE p.web_log_id = @webLogId
ORDER BY as_of DESC"
|> Sql.parameters [ webLogIdParam webLogId ]
|> Sql.executeAsync (fun row -> PostId (row.string "post_id"), Map.toRevision row)
return
@ -180,14 +183,14 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
let findPageOfCategorizedPosts webLogId categoryIds pageNbr postsPerPage =
let catSql, catParams = inClause "catId" CategoryId.toString categoryIds
Sql.existingConnection conn
|> Sql.query $"""
|> Sql.query $"
{selectPost} p
INNER JOIN post_category pc ON pc.post_id = p.id
WHERE p.web_log_id = @webLogId
AND p.status = @status
AND pc.category_id IN ({catSql})
ORDER BY published_on DESC
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"""
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"
|> Sql.parameters
[ webLogIdParam webLogId
"@status", Sql.string (PostStatus.toString Published)
@ -197,36 +200,36 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
/// Get a page of posts for the given web log (excludes text and revisions)
let findPageOfPosts webLogId pageNbr postsPerPage =
Sql.existingConnection conn
|> Sql.query $"""
|> Sql.query $"
{selectPost}
WHERE web_log_id = @webLogId
ORDER BY published_on DESC NULLS FIRST, updated_on
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"""
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"
|> Sql.parameters [ webLogIdParam webLogId ]
|> Sql.executeAsync postWithoutText
/// Get a page of published posts for the given web log (excludes revisions)
let findPageOfPublishedPosts webLogId pageNbr postsPerPage =
Sql.existingConnection conn
|> Sql.query $"""
|> Sql.query $"
{selectPost}
WHERE web_log_id = @webLogId
AND status = @status
ORDER BY published_on DESC
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"""
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"
|> Sql.parameters [ webLogIdParam webLogId; "@status", Sql.string (PostStatus.toString Published) ]
|> Sql.executeAsync Map.toPost
/// Get a page of tagged posts for the given web log (excludes revisions and prior permalinks)
let findPageOfTaggedPosts webLogId (tag : string) pageNbr postsPerPage =
Sql.existingConnection conn
|> Sql.query $"""
|> Sql.query $"
{selectPost}
WHERE web_log_id = @webLogId
AND status = @status
AND tag && ARRAY[@tag]
ORDER BY published_on DESC
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"""
LIMIT {postsPerPage + 1} OFFSET {(pageNbr - 1) * postsPerPage}"
|> Sql.parameters
[ webLogIdParam webLogId
"@status", Sql.string (PostStatus.toString Published)
@ -238,43 +241,43 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
let findSurroundingPosts webLogId (publishedOn : DateTime) = backgroundTask {
let queryParams = Sql.parameters [
webLogIdParam webLogId
"@status", Sql.string (PostStatus.toString Published)
"@status", Sql.string (PostStatus.toString Published)
"@publishedOn", Sql.timestamptz publishedOn
]
let! older =
Sql.existingConnection conn
|> Sql.query $"""
|> Sql.query $"
{selectPost}
WHERE web_log_id = @webLogId
AND status = @status
AND published_on < @publishedOn
ORDER BY published_on DESC
LIMIT 1"""
LIMIT 1"
|> queryParams
|> Sql.executeAsync Map.toPost
let! newer =
Sql.existingConnection conn
|> Sql.query $"""
|> Sql.query $"
{selectPost}
WHERE web_log_id = @webLogId
AND status = @status
AND published_on > @publishedOn
ORDER BY published_on
LIMIT 1"""
LIMIT 1"
|> queryParams
|> Sql.executeAsync Map.toPost
return List.tryHead older, List.tryHead newer
}
/// The INSERT statement for a post
let postInsert = """
INSERT INTO post (
let postInsert =
"INSERT INTO post (
id, web_log_id, author_id, status, title, permalink, prior_permalinks, published_on, updated_on,
template, post_text, tags, meta_items, episode
) VALUES (
@id, @webLogId, @authorId, @status, @title, @permalink, @priorPermalinks, @publishedOn, @updatedOn,
@template, @text, @tags, @metaItems, @episode
)"""
)"
/// The parameters for saving a post
let postParams (post : Post) = [
@ -301,7 +304,7 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
let! oldPost = findFullById post.Id post.WebLogId
let! _ =
Sql.existingConnection conn
|> Sql.query $"""
|> Sql.query $"
{postInsert} ON CONFLICT (id) DO UPDATE
SET author_id = EXCLUDED.author_id,
status = EXCLUDED.status,
@ -314,7 +317,7 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
post_text = EXCLUDED.text,
tags = EXCLUDED.tags,
meta_items = EXCLUDED.meta_items,
episode = EXCLUDED.episode"""
episode = EXCLUDED.episode"
|> Sql.parameters (postParams post)
|> Sql.executeNonQueryAsync
do! updatePostCategories post.Id (match oldPost with Some p -> p.CategoryIds | None -> []) post.CategoryIds
@ -337,8 +340,8 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
/// Update prior permalinks for a post
let updatePriorPermalinks postId webLogId permalinks = backgroundTask {
match! findById postId webLogId with
| Some _ ->
match! postExists postId webLogId with
| true ->
let! _ =
Sql.existingConnection conn
|> Sql.query "UPDATE post SET prior_permalinks = @prior WHERE id = @id"
@ -347,7 +350,7 @@ type PostgreSqlPostData (conn : NpgsqlConnection) =
"@prior", Sql.stringArray (permalinks |> List.map Permalink.toString |> Array.ofList) ]
|> Sql.executeNonQueryAsync
return true
| None -> return false
| false -> return false
}
interface IPostData with

54
src/MyWebLog.Data/PostgreSql/PostgreSqlTagMapData.fs
View File

@ -9,37 +9,41 @@ open Npgsql.FSharp
type PostgreSqlTagMapData (conn : NpgsqlConnection) =
/// Find a tag mapping by its ID for the given web log
let findById tagMapId webLogId = backgroundTask {
let! tagMap =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM tag_map WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters [ "@id", Sql.string (TagMapId.toString tagMapId); webLogIdParam webLogId ]
|> Sql.executeAsync Map.toTagMap
return List.tryHead tagMap
}
let findById tagMapId webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM tag_map WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters [ "@id", Sql.string (TagMapId.toString tagMapId); webLogIdParam webLogId ]
|> Sql.executeAsync Map.toTagMap
|> tryHead
/// Delete a tag mapping for the given web log
let delete tagMapId webLogId = backgroundTask {
match! findById tagMapId webLogId with
| Some _ ->
let idParams = [ "@id", Sql.string (TagMapId.toString tagMapId) ]
let! exists =
Sql.existingConnection conn
|> Sql.query $"
SELECT EXISTS
(SELECT 1 FROM tag_map WHERE id = @id AND web_log_id = @webLogId)
AS {existsName}"
|> Sql.parameters (webLogIdParam webLogId :: idParams)
|> Sql.executeRowAsync Map.toExists
if exists then
let! _ =
Sql.existingConnection conn
|> Sql.query "DELETE FROM tag_map WHERE id = @id"
|> Sql.parameters [ "@id", Sql.string (TagMapId.toString tagMapId) ]
|> Sql.parameters idParams
|> Sql.executeNonQueryAsync
return true
| None -> return false
else return false
}
/// Find a tag mapping by its URL value for the given web log
let findByUrlValue urlValue webLogId = backgroundTask {
let! tagMap =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM tag_map WHERE web_log_id = @webLogId AND url_value = @urlValue"
|> Sql.parameters [ webLogIdParam webLogId; "@urlValue", Sql.string urlValue ]
|> Sql.executeAsync Map.toTagMap
return List.tryHead tagMap
}
let findByUrlValue urlValue webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM tag_map WHERE web_log_id = @webLogId AND url_value = @urlValue"
|> Sql.parameters [ webLogIdParam webLogId; "@urlValue", Sql.string urlValue ]
|> Sql.executeAsync Map.toTagMap
|> tryHead
/// Get all tag mappings for the given web log
let findByWebLog webLogId =
@ -57,12 +61,12 @@ type PostgreSqlTagMapData (conn : NpgsqlConnection) =
|> Sql.executeAsync Map.toTagMap
/// The INSERT statement for a tag mapping
let tagMapInsert = """
INSERT INTO tag_map (
let tagMapInsert =
"INSERT INTO tag_map (
id, web_log_id, tag, url_value
) VALUES (
@id, @webLogId, @tag, @urlValue
)"""
)"
/// The parameters for saving a tag mapping
let tagMapParams (tagMap : TagMap) = [
@ -76,10 +80,10 @@ type PostgreSqlTagMapData (conn : NpgsqlConnection) =
let save tagMap = backgroundTask {
let! _ =
Sql.existingConnection conn
|> Sql.query $"""
|> Sql.query $"
{tagMapInsert} ON CONFLICT (id) DO UPDATE
SET tag = EXCLUDED.tag,
url_value = EXCLUDED.url_value"""
url_value = EXCLUDED.url_value"
|> Sql.parameters (tagMapParams tagMap)
|> Sql.executeNonQueryAsync
()

67
src/MyWebLog.Data/PostgreSql/PostgreSqlThemeData.fs
View File

@ -34,20 +34,20 @@ type PostgreSqlThemeData (conn : NpgsqlConnection) =
/// Find a theme by its ID
let findById themeId = backgroundTask {
let themeIdParam = [ "@id", Sql.string (ThemeId.toString themeId) ]
let! tryTheme =
let! theme =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM theme WHERE id = @id"
|> Sql.parameters themeIdParam
|> Sql.executeAsync Map.toTheme
match List.tryHead tryTheme with
| Some theme ->
|> tryHead
if Option.isSome theme then
let! templates =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM theme_template WHERE theme_id = @id"
|> Sql.parameters themeIdParam
|> Sql.executeAsync (Map.toThemeTemplate true)
return Some { theme with Templates = templates }
| None -> return None
return Some { theme.Value with Templates = templates }
else return None
}
/// Find a theme by its ID (excludes the text of templates)
@ -62,18 +62,23 @@ type PostgreSqlThemeData (conn : NpgsqlConnection) =
/// Delete a theme by its ID
let delete themeId = backgroundTask {
match! findByIdWithoutText themeId with
| Some _ ->
let idParams = [ "@id", Sql.string (ThemeId.toString themeId) ]
let! exists =
Sql.existingConnection conn
|> Sql.query $"SELECT EXISTS (SELECT 1 FROM theme WHERE id = @id) AS {existsName}"
|> Sql.parameters idParams
|> Sql.executeRowAsync Map.toExists
if exists then
let! _ =
Sql.existingConnection conn
|> Sql.query """
DELETE FROM theme_asset WHERE theme_id = @id;
DELETE FROM theme_template WHERE theme_id = @id;
DELETE FROM theme WHERE id = @id"""
|> Sql.parameters [ "@id", Sql.string (ThemeId.toString themeId) ]
|> Sql.query
"DELETE FROM theme_asset WHERE theme_id = @id;
DELETE FROM theme_template WHERE theme_id = @id;
DELETE FROM theme WHERE id = @id"
|> Sql.parameters idParams
|> Sql.executeNonQueryAsync
return true
| None -> return false
else return false
}
/// Save a theme
@ -82,11 +87,11 @@ type PostgreSqlThemeData (conn : NpgsqlConnection) =
let themeIdParam = Sql.string (ThemeId.toString theme.Id)
let! _ =
Sql.existingConnection conn
|> Sql.query """
INSERT INTO theme VALUES (@id, @name, @version)
ON CONFLICT (id) DO UPDATE
SET name = EXCLUDED.name,
version = EXCLUDED.version"""
|> Sql.query
"INSERT INTO theme VALUES (@id, @name, @version)
ON CONFLICT (id) DO UPDATE
SET name = EXCLUDED.name,
version = EXCLUDED.version"
|> Sql.parameters
[ "@id", themeIdParam
"@name", Sql.string theme.Name
@ -108,9 +113,9 @@ type PostgreSqlThemeData (conn : NpgsqlConnection) =
"DELETE FROM theme_template WHERE theme_id = @themeId AND name = @name",
toDelete |> List.map (fun tmpl -> [ "@themeId", themeIdParam; "@name", Sql.string tmpl.Name ])
if not (List.isEmpty toAddOrUpdate) then
"""INSERT INTO theme_template VALUES (@themeId, @name, @template)
ON CONFLICT (theme_id, name) DO UPDATE
SET template = EXCLUDED.template""",
"INSERT INTO theme_template VALUES (@themeId, @name, @template)
ON CONFLICT (theme_id, name) DO UPDATE
SET template = EXCLUDED.template",
toAddOrUpdate |> List.map (fun tmpl -> [
"@themeId", themeIdParam
"@name", Sql.string tmpl.Name
@ -149,15 +154,13 @@ type PostgreSqlThemeAssetData (conn : NpgsqlConnection) =
}
/// Find a theme asset by its ID
let findById assetId = backgroundTask {
let findById assetId =
let (ThemeAssetId (ThemeId themeId, path)) = assetId
let! asset =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM theme_asset WHERE theme_id = @themeId AND path = @path"
|> Sql.parameters [ "@themeId", Sql.string themeId; "@path", Sql.string path ]
|> Sql.executeAsync (Map.toThemeAsset true)
return List.tryHead asset
}
Sql.existingConnection conn
|> Sql.query "SELECT * FROM theme_asset WHERE theme_id = @themeId AND path = @path"
|> Sql.parameters [ "@themeId", Sql.string themeId; "@path", Sql.string path ]
|> Sql.executeAsync (Map.toThemeAsset true)
|> tryHead
/// Get theme assets for the given theme (excludes data)
let findByTheme themeId =
@ -178,14 +181,14 @@ type PostgreSqlThemeAssetData (conn : NpgsqlConnection) =
let (ThemeAssetId (ThemeId themeId, path)) = asset.Id
let! _ =
Sql.existingConnection conn
|> Sql.query """
INSERT INTO theme_asset (
|> Sql.query
"INSERT INTO theme_asset (
theme_id, path, updated_on, data
) VALUES (
@themeId, @path, @updatedOn, @data
) ON CONFLICT (theme_id, path) DO UPDATE
SET updated_on = EXCLUDED.updated_on,
data = EXCLUDED.data"""
data = EXCLUDED.data"
|> Sql.parameters
[ "@themeId", Sql.string themeId
"@path", Sql.string path

30
src/MyWebLog.Data/PostgreSql/PostgreSqlUploadData.fs
View File

@ -9,12 +9,12 @@ open Npgsql.FSharp
type PostgreSqlUploadData (conn : NpgsqlConnection) =
/// The INSERT statement for an uploaded file
let upInsert = """
INSERT INTO upload (
let upInsert =
"INSERT INTO upload (
id, web_log_id, path, updated_on, data
) VALUES (
@id, @webLogId, @path, @updatedOn, @data
)"""
)"
/// Parameters for adding an uploaded file
let upParams (upload : Upload) = [
@ -38,31 +38,29 @@ type PostgreSqlUploadData (conn : NpgsqlConnection) =
/// Delete an uploaded file by its ID
let delete uploadId webLogId = backgroundTask {
let theParams = [ "@id", Sql.string (UploadId.toString uploadId); webLogIdParam webLogId ]
let! tryPath =
let! path =
Sql.existingConnection conn
|> Sql.query "SELECT path FROM upload WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters theParams
|> Sql.executeAsync (fun row -> row.string "path")
match List.tryHead tryPath with
| Some path ->
|> tryHead
if Option.isSome path then
let! _ =
Sql.existingConnection conn
|> Sql.query "DELETE FROM upload WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters theParams
|> Sql.executeNonQueryAsync
return Ok path
| None -> return Error $"""Upload ID {UploadId.toString uploadId} not found"""
return Ok path.Value
else return Error $"""Upload ID {UploadId.toString uploadId} not found"""
}
/// Find an uploaded file by its path for the given web log
let findByPath (path : string) webLogId = backgroundTask {
let! upload =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM upload WHERE web_log_id = @webLogId AND path = @path"
|> Sql.parameters [ webLogIdParam webLogId; "@path", Sql.string path ]
|> Sql.executeAsync (Map.toUpload true)
return List.tryHead upload
}
let findByPath path webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM upload WHERE web_log_id = @webLogId AND path = @path"
|> Sql.parameters [ webLogIdParam webLogId; "@path", Sql.string path ]
|> Sql.executeAsync (Map.toUpload true)
|> tryHead
/// Find all uploaded files for the given web log (excludes data)
let findByWebLog webLogId =

392
src/MyWebLog.Data/PostgreSql/PostgreSqlWebLogData.fs
View File

@ -5,56 +5,44 @@ open MyWebLog.Data
open Npgsql
open Npgsql.FSharp
// The web log podcast insert loop is not statically compilable; this is OK
//#nowarn "3511"
/// PostgreSQL myWebLog web log data implementation
type PostgreSqlWebLogData (conn : NpgsqlConnection) =
// SUPPORT FUNCTIONS
/// Add parameters for web log INSERT or web log/RSS options UPDATE statements
let addWebLogRssParameters (webLog : WebLog) =
[ cmd.Parameters.AddWithValue ("@isFeedEnabled", webLog.Rss.IsFeedEnabled)
cmd.Parameters.AddWithValue ("@feedName", webLog.Rss.FeedName)
cmd.Parameters.AddWithValue ("@itemsInFeed", maybe webLog.Rss.ItemsInFeed)
cmd.Parameters.AddWithValue ("@isCategoryEnabled", webLog.Rss.IsCategoryEnabled)
cmd.Parameters.AddWithValue ("@isTagEnabled", webLog.Rss.IsTagEnabled)
cmd.Parameters.AddWithValue ("@copyright", maybe webLog.Rss.Copyright)
] |> ignore
/// The parameters for web log INSERT or web log/RSS options UPDATE statements
let rssParams (webLog : WebLog) = [
"@isFeedEnabled", Sql.bool webLog.Rss.IsFeedEnabled
"@feedName", Sql.string webLog.Rss.FeedName
"@itemsInFeed", Sql.intOrNone webLog.Rss.ItemsInFeed
"@isCategoryEnabled", Sql.bool webLog.Rss.IsCategoryEnabled
"@isTagEnabled", Sql.bool webLog.Rss.IsTagEnabled
"@copyright", Sql.stringOrNone webLog.Rss.Copyright
]
/// Add parameters for web log INSERT or UPDATE statements
let addWebLogParameters (webLog : WebLog) =
[ cmd.Parameters.AddWithValue ("@id", WebLogId.toString webLog.Id)
cmd.Parameters.AddWithValue ("@name", webLog.Name)
cmd.Parameters.AddWithValue ("@slug", webLog.Slug)
cmd.Parameters.AddWithValue ("@subtitle", maybe webLog.Subtitle)
cmd.Parameters.AddWithValue ("@defaultPage", webLog.DefaultPage)
cmd.Parameters.AddWithValue ("@postsPerPage", webLog.PostsPerPage)
cmd.Parameters.AddWithValue ("@themeId", ThemeId.toString webLog.ThemeId)
cmd.Parameters.AddWithValue ("@urlBase", webLog.UrlBase)
cmd.Parameters.AddWithValue ("@timeZone", webLog.TimeZone)
cmd.Parameters.AddWithValue ("@autoHtmx", webLog.AutoHtmx)
cmd.Parameters.AddWithValue ("@uploads", UploadDestination.toString webLog.Uploads)
] |> ignore
addWebLogRssParameters cmd webLog
/// The parameters for web log INSERT or UPDATE statements
let webLogParams (webLog : WebLog) = [
"@id", Sql.string (WebLogId.toString webLog.Id)
"@name", Sql.string webLog.Name
"@slug", Sql.string webLog.Slug
"@subtitle", Sql.stringOrNone webLog.Subtitle
"@defaultPage", Sql.string webLog.DefaultPage
"@postsPerPage", Sql.int webLog.PostsPerPage
"@themeId", Sql.string (ThemeId.toString webLog.ThemeId)
"@urlBase", Sql.string webLog.UrlBase
"@timeZone", Sql.string webLog.TimeZone
"@autoHtmx", Sql.bool webLog.AutoHtmx
"@uploads", Sql.string (UploadDestination.toString webLog.Uploads)
yield! rssParams webLog
]
/// Add parameters for custom feed INSERT or UPDATE statements
let addCustomFeedParameters (cmd : SqliteCommand) webLogId (feed : CustomFeed) =
[ cmd.Parameters.AddWithValue ("@id", CustomFeedId.toString feed.Id)
cmd.Parameters.AddWithValue ("@webLogId", WebLogId.toString webLogId)
cmd.Parameters.AddWithValue ("@source", CustomFeedSource.toString feed.Source)
cmd.Parameters.AddWithValue ("@path", Permalink.toString feed.Path)
] |> ignore
/// The SELECT statement for custom feeds, which includes podcast feed settings if present
let feedSelect = "SELECT f.*, p.* FROM web_log_feed f LEFT JOIN web_log_feed_podcast p ON p.feed_id = f.id"
/// Get the current custom feeds for a web log
let getCustomFeeds (webLog : WebLog) =
Sql.existingConnection conn
|> Sql.query """
SELECT f.*, p.*
FROM web_log_feed f
LEFT JOIN web_log_feed_podcast p ON p.feed_id = f.id
WHERE f.web_log_id = @webLogId"""
|> Sql.query $"{feedSelect} WHERE f.web_log_id = @webLogId"
|> Sql.parameters [ webLogIdParam webLog.Id ]
|> Sql.executeAsync Map.toCustomFeed
@ -64,20 +52,8 @@ type PostgreSqlWebLogData (conn : NpgsqlConnection) =
return { webLog with Rss = { webLog.Rss with CustomFeeds = feeds } }
}
/// The INSERT statement for a podcast feed
let feedInsert = """
INSERT INTO web_log_feed_podcast (
feed_id, title, subtitle, items_in_feed, summary, displayed_author, email, image_url, apple_category,
apple_subcategory, explicit, default_media_type, media_base_url, podcast_guid, funding_url, funding_text,
medium
) VALUES (
@feedId, @title, @subtitle, @itemsInFeed, @summary, @displayedAuthor, @email, @imageUrl, @appleCategory,
@appleSubcategory, @explicit, @defaultMediaType, @mediaBaseUrl, @podcastGuid, @fundingUrl, @fundingText,
@medium
)"""
/// The parameters to save a podcast feed
let feedParams feedId (podcast : PodcastOptions) = [
let podcastParams feedId (podcast : PodcastOptions) = [
"@feedId", Sql.string (CustomFeedId.toString feedId)
"@title", Sql.string podcast.Title
"@subtitle", Sql.stringOrNone podcast.Subtitle
@ -97,127 +73,115 @@ type PostgreSqlWebLogData (conn : NpgsqlConnection) =
"@medium", Sql.stringOrNone (podcast.Medium |> Option.map PodcastMedium.toString)
]
/// Save a podcast for a custom feed
let savePodcast feedId (podcast : PodcastOptions) = backgroundTask {
let! _ =
Sql.existingConnection conn
|> Sql.query $"""
{feedInsert} ON CONFLICT (feed_id) DO UPDATE
SET title = EXCLUDED.title,
subtitle = EXCLUDED.subtitle,
items_in_feed = EXCLUDED.items_in_feed,
summary = EXCLUDED.summary,
displayed_author = EXCLUDED.displayed_author,
email = EXCLUDED.email,
image_url = EXCLUDED.image_url,
apple_category = EXCLUDED.apple_category,
apple_subcategory = EXCLUDED.apple_subcategory,
explicit = EXCLUDED.explicit,
default_media_type = EXCLUDED.default_media_type,
media_base_url = EXCLUDED.media_base_url,
podcast_guid = EXCLUDED.podcast_guid,
funding_url = EXCLUDED.funding_url,
funding_text = EXCLUDED.funding_text,
medium = EXCLUDED.medium"""
|> Sql.parameters (feedParams feedId podcast)
|> Sql.executeNonQueryAsync
()
}
/// The parameters to save a custom feed
let feedParams webLogId (feed : CustomFeed) = [
webLogIdParam webLogId
"@id", Sql.string (CustomFeedId.toString feed.Id)
"@source", Sql.string (CustomFeedSource.toString feed.Source)
"@path", Sql.string (Permalink.toString feed.Path)
]
/// Update the custom feeds for a web log
let updateCustomFeeds (webLog : WebLog) = backgroundTask {
let! feeds = getCustomFeeds webLog
let toDelete, toAdd = Utils.diffLists feeds webLog.Rss.CustomFeeds (fun it -> $"{CustomFeedId.toString it.Id}")
let toDelete, _ = Utils.diffLists feeds webLog.Rss.CustomFeeds (fun it -> $"{CustomFeedId.toString it.Id}")
let toId (feed : CustomFeed) = feed.Id
let toUpdate =
webLog.Rss.CustomFeeds
|> List.filter (fun f ->
not (toDelete |> List.map toId |> List.append (toAdd |> List.map toId) |> List.contains f.Id))
use cmd = conn.CreateCommand ()
cmd.Parameters.Add ("@id", SqliteType.Text) |> ignore
toDelete
|> List.map (fun it -> backgroundTask {
cmd.CommandText <- """
DELETE FROM web_log_feed_podcast WHERE feed_id = @id;
DELETE FROM web_log_feed WHERE id = @id"""
cmd.Parameters["@id"].Value <- CustomFeedId.toString it.Id
do! write cmd
})
|> Task.WhenAll
|> ignore
cmd.Parameters.Clear ()
toAdd
|> List.map (fun it -> backgroundTask {
cmd.CommandText <- """
INSERT INTO web_log_feed (
id, web_log_id, source, path
) VALUES (
@id, @webLogId, @source, @path
)"""
cmd.Parameters.Clear ()
addCustomFeedParameters cmd webLog.Id it
do! write cmd
match it.Podcast with
| Some podcast -> do! addPodcast it.Id podcast
| None -> ()
})
|> Task.WhenAll
|> ignore
toUpdate
|> List.map (fun it -> backgroundTask {
cmd.CommandText <- """
UPDATE web_log_feed
SET source = @source,
path = @path
WHERE id = @id
AND web_log_id = @webLogId"""
cmd.Parameters.Clear ()
addCustomFeedParameters cmd webLog.Id it
do! write cmd
let hadPodcast = Option.isSome (feeds |> List.find (fun f -> f.Id = it.Id)).Podcast
match it.Podcast with
| Some podcast -> do! savePodcast it.Id podcast
| None ->
if hadPodcast then
cmd.CommandText <- "DELETE FROM web_log_feed_podcast WHERE feed_id = @id"
cmd.Parameters.Clear ()
cmd.Parameters.AddWithValue ("@id", CustomFeedId.toString it.Id) |> ignore
do! write cmd
else
()
})
|> Task.WhenAll
|> ignore
let toAddOrUpdate =
webLog.Rss.CustomFeeds |> List.filter (fun f -> not (toDelete |> List.map toId |> List.contains f.Id))
if not (List.isEmpty toDelete) || not (List.isEmpty toAddOrUpdate) then
let! _ =
Sql.existingConnection conn
|> Sql.executeTransactionAsync [
if not (List.isEmpty toDelete) then
"DELETE FROM web_log_feed_podcast WHERE feed_id = @id;
DELETE FROM web_log_feed WHERE id = @id",
toDelete |> List.map (fun it -> [ "@id", Sql.string (CustomFeedId.toString it.Id) ])
if not (List.isEmpty toAddOrUpdate) then
"INSERT INTO web_log_feed (
id, web_log_id, source, path
) VALUES (
@id, @webLogId, @source, @path
) ON CONFLICT (id) DO UPDATE
SET source = EXCLUDED.source,
path = EXCLUDED.path",
toAddOrUpdate |> List.map (feedParams webLog.Id)
let podcasts = toAddOrUpdate |> List.filter (fun it -> Option.isSome it.Podcast)
if not (List.isEmpty podcasts) then
"INSERT INTO web_log_feed_podcast (
feed_id, title, subtitle, items_in_feed, summary, displayed_author, email, image_url,
apple_category, apple_subcategory, explicit, default_media_type, media_base_url,
podcast_guid, funding_url, funding_text, medium
) VALUES (
@feedId, @title, @subtitle, @itemsInFeed, @summary, @displayedAuthor, @email, @imageUrl,
@appleCategory, @appleSubcategory, @explicit, @defaultMediaType, @mediaBaseUrl,
@podcastGuid, @fundingUrl, @fundingText, @medium
) ON CONFLICT (feed_id) DO UPDATE
SET title = EXCLUDED.title,
subtitle = EXCLUDED.subtitle,
items_in_feed = EXCLUDED.items_in_feed,
summary = EXCLUDED.summary,
displayed_author = EXCLUDED.displayed_author,
email = EXCLUDED.email,
image_url = EXCLUDED.image_url,
apple_category = EXCLUDED.apple_category,
apple_subcategory = EXCLUDED.apple_subcategory,
explicit = EXCLUDED.explicit,
default_media_type = EXCLUDED.default_media_type,
media_base_url = EXCLUDED.media_base_url,
podcast_guid = EXCLUDED.podcast_guid,
funding_url = EXCLUDED.funding_url,
funding_text = EXCLUDED.funding_text,
medium = EXCLUDED.medium",
podcasts |> List.map (fun it -> podcastParams it.Id it.Podcast.Value)
let hadPodcasts =
toAddOrUpdate
|> List.filter (fun it ->
match feeds |> List.tryFind (fun feed -> feed.Id = it.Id) with
| Some feed -> Option.isSome feed.Podcast && Option.isNone it.Podcast
| None -> false)
if not (List.isEmpty hadPodcasts) then
"DELETE FROM web_log_feed_podcast WHERE feed_id = @id",
hadPodcasts |> List.map (fun it -> [ "@id", Sql.string (CustomFeedId.toString it.Id) ])
]
()
}
// IMPLEMENTATION FUNCTIONS
/// Add a web log
let add webLog = backgroundTask {
use cmd = conn.CreateCommand ()
cmd.CommandText <- """
INSERT INTO web_log (
id, name, slug, subtitle, default_page, posts_per_page, theme_id, url_base, time_zone, auto_htmx,
uploads, is_feed_enabled, feed_name, items_in_feed, is_category_enabled, is_tag_enabled, copyright
) VALUES (
@id, @name, @slug, @subtitle, @defaultPage, @postsPerPage, @themeId, @urlBase, @timeZone, @autoHtmx,
@uploads, @isFeedEnabled, @feedName, @itemsInFeed, @isCategoryEnabled, @isTagEnabled, @copyright
)"""
addWebLogParameters cmd webLog
do! write cmd
let! _ =
Sql.existingConnection conn
|> Sql.query
"INSERT INTO web_log (
id, name, slug, subtitle, default_page, posts_per_page, theme_id, url_base, time_zone, auto_htmx,
uploads, is_feed_enabled, feed_name, items_in_feed, is_category_enabled, is_tag_enabled, copyright
) VALUES (
@id, @name, @slug, @subtitle, @defaultPage, @postsPerPage, @themeId, @urlBase, @timeZone, @autoHtmx,
@uploads, @isFeedEnabled, @feedName, @itemsInFeed, @isCategoryEnabled, @isTagEnabled, @copyright
)"
|> Sql.parameters (webLogParams webLog)
|> Sql.executeNonQueryAsync
do! updateCustomFeeds webLog
}
/// Retrieve all web logs
let all () = backgroundTask {
use cmd = conn.CreateCommand ()
cmd.CommandText <- "SELECT * FROM web_log"
use! rdr = cmd.ExecuteReaderAsync ()
let! webLogs =
toList Map.toWebLog rdr
|> List.map (fun webLog -> backgroundTask { return! appendCustomFeeds webLog })
|> Task.WhenAll
return List.ofArray webLogs
Sql.existingConnection conn
|> Sql.query "SELECT * FROM web_log"
|> Sql.executeAsync Map.toWebLog
let! feeds =
Sql.existingConnection conn
|> Sql.query feedSelect
|> Sql.executeAsync (fun row -> WebLogId (row.string "web_log_id"), Map.toCustomFeed row)
return
webLogs
|> List.map (fun it ->
{ it with
Rss =
{ it.Rss with
CustomFeeds = feeds |> List.filter (fun (wlId, _) -> wlId = it.Id) |> List.map snd } })
}
/// Delete a web log by its ID
@ -247,72 +211,76 @@ type PostgreSqlWebLogData (conn : NpgsqlConnection) =
}
/// Find a web log by its host (URL base)
let findByHost (url : string) = backgroundTask {
use cmd = conn.CreateCommand ()
cmd.CommandText <- "SELECT * FROM web_log WHERE url_base = @urlBase"
cmd.Parameters.AddWithValue ("@urlBase", url) |> ignore
use! rdr = cmd.ExecuteReaderAsync ()
if rdr.Read () then
let! webLog = appendCustomFeeds (Map.toWebLog rdr)
return Some webLog
else
return None
let findByHost url = backgroundTask {
let! webLog =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM web_log WHERE url_base = @urlBase"
|> Sql.parameters [ "@urlBase", Sql.string url ]
|> Sql.executeAsync Map.toWebLog
|> tryHead
if Option.isSome webLog then
let! withFeeds = appendCustomFeeds webLog.Value
return Some withFeeds
else return None
}
/// Find a web log by its ID
let findById webLogId = backgroundTask {
use cmd = conn.CreateCommand ()
cmd.CommandText <- "SELECT * FROM web_log WHERE id = @webLogId"
addWebLogId cmd webLogId
use! rdr = cmd.ExecuteReaderAsync ()
if rdr.Read () then
let! webLog = appendCustomFeeds (Map.toWebLog rdr)
return Some webLog
else
return None
let! webLog =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM web_log WHERE id = @webLogId"
|> Sql.parameters [ webLogIdParam webLogId ]
|> Sql.executeAsync Map.toWebLog
|> tryHead
if Option.isSome webLog then
let! withFeeds = appendCustomFeeds webLog.Value
return Some withFeeds
else return None
}
/// Update settings for a web log
let updateSettings webLog = backgroundTask {
use cmd = conn.CreateCommand ()
cmd.CommandText <- """
UPDATE web_log
SET name = @name,
slug = @slug,
subtitle = @subtitle,
default_page = @defaultPage,
posts_per_page = @postsPerPage,
theme_id = @themeId,
url_base = @urlBase,
time_zone = @timeZone,
auto_htmx = @autoHtmx,
uploads = @uploads,
is_feed_enabled = @isFeedEnabled,
feed_name = @feedName,
items_in_feed = @itemsInFeed,
is_category_enabled = @isCategoryEnabled,
is_tag_enabled = @isTagEnabled,
copyright = @copyright
WHERE id = @id"""
addWebLogParameters cmd webLog
do! write cmd
let! _ =
Sql.existingConnection conn
|> Sql.query
"UPDATE web_log
SET name = @name,
slug = @slug,
subtitle = @subtitle,
default_page = @defaultPage,
posts_per_page = @postsPerPage,
theme_id = @themeId,
url_base = @urlBase,
time_zone = @timeZone,
auto_htmx = @autoHtmx,
uploads = @uploads,
is_feed_enabled = @isFeedEnabled,
feed_name = @feedName,
items_in_feed = @itemsInFeed,
is_category_enabled = @isCategoryEnabled,
is_tag_enabled = @isTagEnabled,
copyright = @copyright
WHERE id = @id"
|> Sql.parameters (webLogParams webLog)
|> Sql.executeNonQueryAsync
()
}
/// Update RSS options for a web log
let updateRssOptions webLog = backgroundTask {
use cmd = conn.CreateCommand ()
cmd.CommandText <- """
UPDATE web_log
SET is_feed_enabled = @isFeedEnabled,
feed_name = @feedName,
items_in_feed = @itemsInFeed,
is_category_enabled = @isCategoryEnabled,
is_tag_enabled = @isTagEnabled,
copyright = @copyright
WHERE id = @id"""
addWebLogRssParameters cmd webLog
cmd.Parameters.AddWithValue ("@id", WebLogId.toString webLog.Id) |> ignore
do! write cmd
let updateRssOptions (webLog : WebLog) = backgroundTask {
let! _ =
Sql.existingConnection conn
|> Sql.query
"UPDATE web_log
SET is_feed_enabled = @isFeedEnabled,
feed_name = @feedName,
items_in_feed = @itemsInFeed,
is_category_enabled = @isCategoryEnabled,
is_tag_enabled = @isTagEnabled,
copyright = @copyright
WHERE id = @webLogId"
|> Sql.parameters (webLogIdParam webLog.Id :: rssParams webLog)
|> Sql.executeNonQueryAsync
do! updateCustomFeeds webLog
}

151
src/MyWebLog.Data/PostgreSql/PostgreSqlWebLogUserData.fs Normal file
View File

@ -0,0 +1,151 @@
namespace MyWebLog.Data.PostgreSql
open MyWebLog
open MyWebLog.Data
open Npgsql
open Npgsql.FSharp
/// PostgreSQL myWebLog user data implementation
type PostgreSqlWebLogUserData (conn : NpgsqlConnection) =
/// The INSERT statement for a user
let userInsert =
"INSERT INTO web_log_user (
id, web_log_id, email, first_name, last_name, preferred_name, password_hash, salt, url, access_level,
created_on, last_seen_on
) VALUES (
@id, @webLogId, @email, @firstName, @lastName, @preferredName, @passwordHash, @salt, @url, @accessLevel,
@createdOn, @lastSeenOn
)"
/// Parameters for saving web log users
let userParams (user : WebLogUser) = [
"@id", Sql.string (WebLogUserId.toString user.Id)
"@webLogId", Sql.string (WebLogId.toString user.WebLogId)
"@email", Sql.string user.Email
"@firstName", Sql.string user.FirstName
"@lastName", Sql.string user.LastName
"@preferredName", Sql.string user.PreferredName
"@passwordHash", Sql.string user.PasswordHash
"@salt", Sql.uuid user.Salt
"@url", Sql.stringOrNone user.Url
"@accessLevel", Sql.string (AccessLevel.toString user.AccessLevel)
"@createdOn", Sql.timestamptz user.CreatedOn
"@lastSeenOn", Sql.timestamptzOrNone user.LastSeenOn
]
/// Find a user by their ID for the given web log
let findById userId webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM web_log_user WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters [ "@id", Sql.string (WebLogUserId.toString userId); webLogIdParam webLogId ]
|> Sql.executeAsync Map.toWebLogUser
|> tryHead
/// Delete a user if they have no posts or pages
let delete userId webLogId = backgroundTask {
match! findById userId webLogId with
| Some _ ->
let userParam = [ "@userId", Sql.string (WebLogUserId.toString userId) ]
let! isAuthor =
Sql.existingConnection conn
|> Sql.query
"SELECT ( EXISTS (SELECT 1 FROM page WHERE author_id = @userId
OR EXISTS (SELECT 1 FROM post WHERE author_id = @userId)) AS does_exist"
|> Sql.parameters userParam
|> Sql.executeRowAsync Map.toExists
if isAuthor then
return Error "User has pages or posts; cannot delete"
else
let! _ =
Sql.existingConnection conn
|> Sql.query "DELETE FROM web_log_user WHERE id = @userId"
|> Sql.parameters userParam
|> Sql.executeNonQueryAsync
return Ok true
| None -> return Error "User does not exist"
}
/// Find a user by their e-mail address for the given web log
let findByEmail email webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM web_log_user WHERE web_log_id = @webLogId AND email = @email"
|> Sql.parameters [ webLogIdParam webLogId; "@email", Sql.string email ]
|> Sql.executeAsync Map.toWebLogUser
|> tryHead
/// Get all users for the given web log
let findByWebLog webLogId =
Sql.existingConnection conn
|> Sql.query "SELECT * FROM web_log_user WHERE web_log_id = @webLogId ORDER BY LOWER(preferred_name)"
|> Sql.parameters [ webLogIdParam webLogId ]
|> Sql.executeAsync Map.toWebLogUser
/// Find the names of users by their IDs for the given web log
let findNames webLogId userIds = backgroundTask {
let idSql, idParams = inClause "id" WebLogUserId.toString userIds
let! users =
Sql.existingConnection conn
|> Sql.query $"SELECT * FROM web_log_user WHERE web_log_id = @webLogId AND id IN ({idSql})"
|> Sql.parameters (webLogIdParam webLogId :: idParams)
|> Sql.executeAsync Map.toWebLogUser
return
users
|> List.map (fun u -> { Name = WebLogUserId.toString u.Id; Value = WebLogUser.displayName u })
}
/// Restore users from a backup
let restore users = backgroundTask {
let! _ =
Sql.existingConnection conn
|> Sql.executeTransactionAsync [
userInsert, users |> List.map userParams
]
()
}
/// Set a user's last seen date/time to now
let setLastSeen userId webLogId = backgroundTask {
let! _ =
Sql.existingConnection conn
|> Sql.query "UPDATE web_log_user SET last_seen_on = @lastSeenOn WHERE id = @id AND web_log_id = @webLogId"
|> Sql.parameters
[ webLogIdParam webLogId
"@id", Sql.string (WebLogUserId.toString userId)
"@lastSeenOn", Sql.timestamptz System.DateTime.UtcNow ]
|> Sql.executeNonQueryAsync
()
}
/// Save a user
let save user = backgroundTask {
let! _ =
Sql.existingConnection conn
|> Sql.query $"
{userInsert} ON CONFLICT (id) DO UPDATE
SET email = @email,
first_name = @firstName,
last_name = @lastName,
preferred_name = @preferredName,
password_hash = @passwordHash,
salt = @salt,
url = @url,
access_level = @accessLevel,
created_on = @createdOn,
last_seen_on = @lastSeenOn"
|> Sql.parameters (userParams user)
|> Sql.executeNonQueryAsync
()
}
interface IWebLogUserData with
member _.Add user = save user
member _.Delete userId webLogId = delete userId webLogId
member _.FindByEmail email webLogId = findByEmail email webLogId
member _.FindById userId webLogId = findById userId webLogId
member _.FindByWebLog webLogId = findByWebLog webLogId
member _.FindNames webLogId userIds = findNames webLogId userIds
member _.Restore users = restore users
member _.SetLastSeen userId webLogId = setLastSeen userId webLogId
member _.Update user = save user

336
src/MyWebLog.Data/PostgreSqlData.fs
View File

@ -7,7 +7,6 @@ open Npgsql.FSharp
/// Data implementation for PostgreSQL
type PostgreSqlData (conn : NpgsqlConnection, log : ILogger<PostgreSqlData>) =
interface IData with
@ -19,6 +18,7 @@ type PostgreSqlData (conn : NpgsqlConnection, log : ILogger<PostgreSqlData>) =
member _.ThemeAsset = PostgreSqlThemeAssetData conn
member _.Upload = PostgreSqlUploadData conn
member _.WebLog = PostgreSqlWebLogData conn
member _.WebLogUser = PostgreSqlWebLogUserData conn
member _.StartUp () = backgroundTask {
@ -28,202 +28,204 @@ type PostgreSqlData (conn : NpgsqlConnection, log : ILogger<PostgreSqlData>) =
|> Sql.executeAsync (fun row -> row.string "tablename")
let needsTable table = not (List.contains table tables)
seq {
let sql = seq {
// Theme tables
if needsTable "theme" then
"""CREATE TABLE theme (
id TEXT NOT NULL PRIMARY KEY,
name TEXT NOT NULL,
version TEXT NOT NULL)"""
"CREATE TABLE theme (
id TEXT NOT NULL PRIMARY KEY,
name TEXT NOT NULL,
version TEXT NOT NULL)"
if needsTable "theme_template" then
"""CREATE TABLE theme_template (
theme_id TEXT NOT NULL REFERENCES theme (id),
name TEXT NOT NULL,
template TEXT NOT NULL,
PRIMARY KEY (theme_id, name))"""
"CREATE TABLE theme_template (
theme_id TEXT NOT NULL REFERENCES theme (id),
name TEXT NOT NULL,
template TEXT NOT NULL,
PRIMARY KEY (theme_id, name))"
if needsTable "theme_asset" then
"""CREATE TABLE theme_asset (
theme_id TEXT NOT NULL REFERENCES theme (id),
path TEXT NOT NULL,
updated_on TIMESTAMPTZ NOT NULL,
data BYTEA NOT NULL,
PRIMARY KEY (theme_id, path))"""
"CREATE TABLE theme_asset (
theme_id TEXT NOT NULL REFERENCES theme (id),
path TEXT NOT NULL,
updated_on TIMESTAMPTZ NOT NULL,
data BYTEA NOT NULL,
PRIMARY KEY (theme_id, path))"
// Web log tables
if needsTable "web_log" then
"""CREATE TABLE web_log (
id TEXT NOT NULL PRIMARY KEY,
name TEXT NOT NULL,
slug TEXT NOT NULL,
subtitle TEXT,
default_page TEXT NOT NULL,
posts_per_page INTEGER NOT NULL,
theme_id TEXT NOT NULL REFERENCES theme (id),
url_base TEXT NOT NULL,
time_zone TEXT NOT NULL,
auto_htmx BOOLEAN NOT NULL DEFAULT FALSE,
uploads TEXT NOT NULL,
is_feed_enabled BOOLEAN NOT NULL DEFAULT FALSE,
feed_name TEXT NOT NULL,
items_in_feed INTEGER,
is_category_enabled BOOLEAN NOT NULL DEFAULT FALSE,
is_tag_enabled BOOLEAN NOT NULL DEFAULT FALSE,
copyright TEXT);
CREATE INDEX web_log_theme_idx ON web_log (theme_id)"""
"CREATE TABLE web_log (
id TEXT NOT NULL PRIMARY KEY,
name TEXT NOT NULL,
slug TEXT NOT NULL,
subtitle TEXT,
default_page TEXT NOT NULL,
posts_per_page INTEGER NOT NULL,
theme_id TEXT NOT NULL REFERENCES theme (id),
url_base TEXT NOT NULL,
time_zone TEXT NOT NULL,
auto_htmx BOOLEAN NOT NULL DEFAULT FALSE,
uploads TEXT NOT NULL,
is_feed_enabled BOOLEAN NOT NULL DEFAULT FALSE,
feed_name TEXT NOT NULL,
items_in_feed INTEGER,
is_category_enabled BOOLEAN NOT NULL DEFAULT FALSE,
is_tag_enabled BOOLEAN NOT NULL DEFAULT FALSE,
copyright TEXT);
CREATE INDEX web_log_theme_idx ON web_log (theme_id)"
if needsTable "web_log_feed" then
"""CREATE TABLE web_log_feed (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
source TEXT NOT NULL,
path TEXT NOT NULL);
CREATE INDEX web_log_feed_web_log_idx ON web_log_feed (web_log_id)"""
"CREATE TABLE web_log_feed (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
source TEXT NOT NULL,
path TEXT NOT NULL);
CREATE INDEX web_log_feed_web_log_idx ON web_log_feed (web_log_id)"
if needsTable "web_log_feed_podcast" then
"""CREATE TABLE web_log_feed_podcast (
feed_id TEXT NOT NULL PRIMARY KEY REFERENCES web_log_feed (id),
title TEXT NOT NULL,
subtitle TEXT,
items_in_feed INTEGER NOT NULL,
summary TEXT NOT NULL,
displayed_author TEXT NOT NULL,
email TEXT NOT NULL,
image_url TEXT NOT NULL,
apple_category TEXT NOT NULL,
apple_subcategory TEXT,
explicit TEXT NOT NULL,
default_media_type TEXT,
media_base_url TEXT,
podcast_guid TEXT,
funding_url TEXT,
funding_text TEXT,
medium TEXT)"""
"CREATE TABLE web_log_feed_podcast (
feed_id TEXT NOT NULL PRIMARY KEY REFERENCES web_log_feed (id),
title TEXT NOT NULL,
subtitle TEXT,
items_in_feed INTEGER NOT NULL,
summary TEXT NOT NULL,
displayed_author TEXT NOT NULL,
email TEXT NOT NULL,
image_url TEXT NOT NULL,
apple_category TEXT NOT NULL,
apple_subcategory TEXT,
explicit TEXT NOT NULL,
default_media_type TEXT,
media_base_url TEXT,
podcast_guid TEXT,
funding_url TEXT,
funding_text TEXT,
medium TEXT)"
// Category table
if needsTable "category" then
"""CREATE TABLE category (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
name TEXT NOT NULL,
slug TEXT NOT NULL,
description TEXT,
parent_id TEXT);
CREATE INDEX category_web_log_idx ON category (web_log_id)"""
"CREATE TABLE category (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
name TEXT NOT NULL,
slug TEXT NOT NULL,
description TEXT,
parent_id TEXT);
CREATE INDEX category_web_log_idx ON category (web_log_id)"
// Web log user table
if needsTable "web_log_user" then
"""CREATE TABLE web_log_user (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
email TEXT NOT NULL,
first_name TEXT NOT NULL,
last_name TEXT NOT NULL,
preferred_name TEXT NOT NULL,
password_hash TEXT NOT NULL,
salt TEXT NOT NULL,
url TEXT,
access_level TEXT NOT NULL,
created_on TIMESTAMPTZ NOT NULL,
last_seen_on TIMESTAMPTZ);
CREATE INDEX web_log_user_web_log_idx ON web_log_user (web_log_id);
CREATE INDEX web_log_user_email_idx ON web_log_user (web_log_id, email)"""
"CREATE TABLE web_log_user (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
email TEXT NOT NULL,
first_name TEXT NOT NULL,
last_name TEXT NOT NULL,
preferred_name TEXT NOT NULL,
password_hash TEXT NOT NULL,
salt TEXT NOT NULL,
url TEXT,
access_level TEXT NOT NULL,
created_on TIMESTAMPTZ NOT NULL,
last_seen_on TIMESTAMPTZ);
CREATE INDEX web_log_user_web_log_idx ON web_log_user (web_log_id);
CREATE INDEX web_log_user_email_idx ON web_log_user (web_log_id, email)"
// Page tables
if needsTable "page" then
"""CREATE TABLE page (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
author_id TEXT NOT NULL REFERENCES web_log_user (id),
title TEXT NOT NULL,
permalink TEXT NOT NULL,
prior_permalinks TEXT[] NOT NULL DEFAULT '{}',
published_on TIMESTAMPTZ NOT NULL,
updated_on TIMESTAMPTZ NOT NULL,
is_in_page_list BOOLEAN NOT NULL DEFAULT FALSE,
template TEXT,
page_text TEXT NOT NULL
meta_items JSONB);
CREATE INDEX page_web_log_idx ON page (web_log_id);
CREATE INDEX page_author_idx ON page (author_id);
CREATE INDEX page_permalink_idx ON page (web_log_id, permalink)"""
"CREATE TABLE page (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
author_id TEXT NOT NULL REFERENCES web_log_user (id),
title TEXT NOT NULL,
permalink TEXT NOT NULL,
prior_permalinks TEXT[] NOT NULL DEFAULT '{}',
published_on TIMESTAMPTZ NOT NULL,
updated_on TIMESTAMPTZ NOT NULL,
is_in_page_list BOOLEAN NOT NULL DEFAULT FALSE,
template TEXT,
page_text TEXT NOT NULL
meta_items JSONB);
CREATE INDEX page_web_log_idx ON page (web_log_id);
CREATE INDEX page_author_idx ON page (author_id);
CREATE INDEX page_permalink_idx ON page (web_log_id, permalink)"
if needsTable "page_revision" then
"""CREATE TABLE page_revision (
page_id TEXT NOT NULL REFERENCES page (id),
as_of TIMESTAMPTZ NOT NULL,
revision_text TEXT NOT NULL,
PRIMARY KEY (page_id, as_of))"""
"CREATE TABLE page_revision (
page_id TEXT NOT NULL REFERENCES page (id),
as_of TIMESTAMPTZ NOT NULL,
revision_text TEXT NOT NULL,
PRIMARY KEY (page_id, as_of))"
// Post tables
if needsTable "post" then
"""CREATE TABLE post (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
author_id TEXT NOT NULL REFERENCES web_log_user (id),
status TEXT NOT NULL,
title TEXT NOT NULL,
permalink TEXT NOT NULL,
prior_permalinks TEXT[] NOT NULL DEFAULT '{}',
published_on TIMESTAMPTZ,
updated_on TIMESTAMPTZ NOT NULL,
template TEXT,
post_text TEXT NOT NULL,
tags TEXT[],
meta_items JSONB,
episode JSONB);
CREATE INDEX post_web_log_idx ON post (web_log_id);
CREATE INDEX post_author_idx ON post (author_id);
CREATE INDEX post_status_idx ON post (web_log_id, status, updated_on);
CREATE INDEX post_permalink_idx ON post (web_log_id, permalink)"""
"CREATE TABLE post (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
author_id TEXT NOT NULL REFERENCES web_log_user (id),
status TEXT NOT NULL,
title TEXT NOT NULL,
permalink TEXT NOT NULL,
prior_permalinks TEXT[] NOT NULL DEFAULT '{}',
published_on TIMESTAMPTZ,
updated_on TIMESTAMPTZ NOT NULL,
template TEXT,
post_text TEXT NOT NULL,
tags TEXT[],
meta_items JSONB,
episode JSONB);
CREATE INDEX post_web_log_idx ON post (web_log_id);
CREATE INDEX post_author_idx ON post (author_id);
CREATE INDEX post_status_idx ON post (web_log_id, status, updated_on);
CREATE INDEX post_permalink_idx ON post (web_log_id, permalink)"
if needsTable "post_category" then
"""CREATE TABLE post_category (
post_id TEXT NOT NULL REFERENCES post (id),
category_id TEXT NOT NULL REFERENCES category (id),
PRIMARY KEY (post_id, category_id));
CREATE INDEX post_category_category_idx ON post_category (category_id)"""
"CREATE TABLE post_category (
post_id TEXT NOT NULL REFERENCES post (id),
category_id TEXT NOT NULL REFERENCES category (id),
PRIMARY KEY (post_id, category_id));
CREATE INDEX post_category_category_idx ON post_category (category_id)"
if needsTable "post_revision" then
"""CREATE TABLE post_revision (
post_id TEXT NOT NULL REFERENCES post (id),
as_of TIMESTAMPTZ NOT NULL,
revision_text TEXT NOT NULL,
PRIMARY KEY (post_id, as_of))"""
"CREATE TABLE post_revision (
post_id TEXT NOT NULL REFERENCES post (id),
as_of TIMESTAMPTZ NOT NULL,
revision_text TEXT NOT NULL,
PRIMARY KEY (post_id, as_of))"
if needsTable "post_comment" then
"""CREATE TABLE post_comment (
id TEXT NOT NULL PRIMARY KEY,
post_id TEXT NOT NULL REFERENCES post(id),
in_reply_to_id TEXT,
name TEXT NOT NULL,
email TEXT NOT NULL,
url TEXT,
status TEXT NOT NULL,
posted_on TIMESTAMPTZ NOT NULL,
comment_text TEXT NOT NULL);
CREATE INDEX post_comment_post_idx ON post_comment (post_id)"""
"CREATE TABLE post_comment (
id TEXT NOT NULL PRIMARY KEY,
post_id TEXT NOT NULL REFERENCES post(id),
in_reply_to_id TEXT,
name TEXT NOT NULL,
email TEXT NOT NULL,
url TEXT,
status TEXT NOT NULL,
posted_on TIMESTAMPTZ NOT NULL,
comment_text TEXT NOT NULL);
CREATE INDEX post_comment_post_idx ON post_comment (post_id)"
// Tag map table
if needsTable "tag_map" then
"""CREATE TABLE tag_map (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
tag TEXT NOT NULL,
url_value TEXT NOT NULL);
CREATE INDEX tag_map_web_log_idx ON tag_map (web_log_id)"""
"CREATE TABLE tag_map (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
tag TEXT NOT NULL,
url_value TEXT NOT NULL);
CREATE INDEX tag_map_web_log_idx ON tag_map (web_log_id)"
// Uploaded file table
if needsTable "upload" then
"""CREATE TABLE upload (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
path TEXT NOT NULL,
updated_on TIMESTAMPTZ NOT NULL,
data BYTEA NOT NULL);
CREATE INDEX upload_web_log_idx ON upload (web_log_id);
CREATE INDEX upload_path_idx ON upload (web_log_id, path)"""
"CREATE TABLE upload (
id TEXT NOT NULL PRIMARY KEY,
web_log_id TEXT NOT NULL REFERENCES web_log (id),
path TEXT NOT NULL,
updated_on TIMESTAMPTZ NOT NULL,
data BYTEA NOT NULL);
CREATE INDEX upload_web_log_idx ON upload (web_log_id);
CREATE INDEX upload_path_idx ON upload (web_log_id, path)"
}
|> Seq.iter (fun sql ->
let table = (sql.Split ' ')[2]
log.LogInformation $"Creating {(sql.Split ' ')[2]} table..."
Sql.existingConnection conn
|> Sql.query sql
|> Sql.executeNonQueryAsync
|> Async.AwaitTask
|> Async.RunSynchronously
|> ignore)
Sql.existingConnection conn
|> Sql.executeTransactionAsync
(sql
|> Seq.map (fun s ->
log.LogInformation $"Creating {(s.Split ' ')[2]} table..."
s, [ [] ])
|> List.ofSeq)
|> Async.AwaitTask
|> Async.RunSynchronously
|> ignore
}

16
src/MyWebLog/Program.fs
View File

@ -3,6 +3,7 @@ open Microsoft.Data.Sqlite
open Microsoft.Extensions.Configuration
open Microsoft.Extensions.Logging
open MyWebLog
open Npgsql
/// Middleware to derive the current web log
type WebLogMiddleware (next : RequestDelegate, log : ILogger<WebLogMiddleware>) =
@ -58,6 +59,11 @@ module DataImplementation =
let rethinkCfg = DataConfig.FromUri (connStr "RethinkDB")
let conn = await (rethinkCfg.CreateConnectionAsync log)
upcast RethinkDbData (conn, rethinkCfg, log)
elif hasConnStr "PostgreSQL" then
let log = sp.GetRequiredService<ILogger<PostgreSqlData>> ()
let conn = new NpgsqlConnection (connStr "PostgreSQL")
log.LogInformation $"Using PostgreSQL database {conn.Host}:{conn.Port}/{conn.Database}"
PostgreSqlData (conn, log)
else
upcast createSQLite "Data Source=./myweblog.db;Cache=Shared"
@ -138,6 +144,16 @@ let rec main args =
// Use SQLite for caching as well
let cachePath = defaultArg (Option.ofObj (cfg.GetConnectionString "SQLiteCachePath")) "./session.db"
builder.Services.AddSqliteCache (fun o -> o.CachePath <- cachePath) |> ignore
| :? PostgreSqlData ->
// ADO.NET connections are designed to work as per-request instantiation
let cfg = sp.GetRequiredService<IConfiguration> ()
builder.Services.AddScoped<NpgsqlConnection> (fun sp ->
new NpgsqlConnection (cfg.GetConnectionString "PostgreSQL"))
|> ignore
builder.Services.AddScoped<IData, PostgreSqlData> () |> ignore
// Use SQLite for caching (for now)
let cachePath = defaultArg (Option.ofObj (cfg.GetConnectionString "SQLiteCachePath")) "./session.db"
builder.Services.AddSqliteCache (fun o -> o.CachePath <- cachePath) |> ignore
| _ -> ()
let _ = builder.Services.AddSession(fun opts ->