798 lines
28 KiB
Forth
798 lines
28 KiB
Forth
[<RequireQualifiedAccess>]
|
|
module MyWebLog.Data
|
|
|
|
/// Table names
|
|
[<RequireQualifiedAccess>]
|
|
module Table =
|
|
|
|
/// The category table
|
|
let Category = "Category"
|
|
|
|
/// The comment table
|
|
let Comment = "Comment"
|
|
|
|
/// The page table
|
|
let Page = "Page"
|
|
|
|
/// The post table
|
|
let Post = "Post"
|
|
|
|
/// The tag map table
|
|
let TagMap = "TagMap"
|
|
|
|
/// The web log table
|
|
let WebLog = "WebLog"
|
|
|
|
/// The web log user table
|
|
let WebLogUser = "WebLogUser"
|
|
|
|
/// A list of all tables
|
|
let all = [ Category; Comment; Page; Post; TagMap; WebLog; WebLogUser ]
|
|
|
|
|
|
/// Functions to assist with retrieving data
|
|
[<AutoOpen>]
|
|
module Helpers =
|
|
|
|
open RethinkDb.Driver
|
|
open RethinkDb.Driver.Net
|
|
open System.Threading.Tasks
|
|
|
|
/// Shorthand for the ReQL starting point
|
|
let r = RethinkDB.R
|
|
|
|
/// Verify that the web log ID matches before returning an item
|
|
let verifyWebLog<'T> webLogId (prop : 'T -> WebLogId) (f : IConnection -> Task<'T option>) =
|
|
fun conn -> backgroundTask {
|
|
match! f conn with Some it when (prop it) = webLogId -> return Some it | _ -> return None
|
|
}
|
|
|
|
/// Get the first item from a list, or None if the list is empty
|
|
let tryFirst<'T> (f : IConnection -> Task<'T list>) =
|
|
fun conn -> backgroundTask {
|
|
let! results = f conn
|
|
return results |> List.tryHead
|
|
}
|
|
|
|
/// Cast a strongly-typed list to an object list
|
|
let objList<'T> (objects : 'T list) = objects |> List.map (fun it -> it :> obj)
|
|
|
|
|
|
open RethinkDb.Driver.FSharp
|
|
open Microsoft.Extensions.Logging
|
|
|
|
/// Start up checks to ensure the database, tables, and indexes exist
|
|
module Startup =
|
|
|
|
/// Ensure field indexes exist, as well as special indexes for selected tables
|
|
let private ensureIndexes (log : ILogger) conn table fields = backgroundTask {
|
|
let! indexes = rethink<string list> { withTable table; indexList; result; withRetryOnce conn }
|
|
for field in fields do
|
|
if not (indexes |> List.contains field) then
|
|
log.LogInformation $"Creating index {table}.{field}..."
|
|
do! rethink { withTable table; indexCreate field; write; withRetryOnce; ignoreResult conn }
|
|
// Post and page need index by web log ID and permalink
|
|
if [ Table.Page; Table.Post ] |> List.contains table then
|
|
if not (indexes |> List.contains "permalink") then
|
|
log.LogInformation $"Creating index {table}.permalink..."
|
|
do! rethink {
|
|
withTable table
|
|
indexCreate "permalink" (fun row -> r.Array (row["webLogId"], row["permalink"].Downcase ()) :> obj)
|
|
write; withRetryOnce; ignoreResult conn
|
|
}
|
|
// Prior permalinks are searched when a post or page permalink do not match the current URL
|
|
if not (indexes |> List.contains "priorPermalinks") then
|
|
log.LogInformation $"Creating index {table}.priorPermalinks..."
|
|
do! rethink {
|
|
withTable table
|
|
indexCreate "priorPermalinks" (fun row -> row["priorPermalinks"].Downcase () :> obj) [ Multi ]
|
|
write; withRetryOnce; ignoreResult conn
|
|
}
|
|
// Post needs indexes by category and tag (used for counting and retrieving posts)
|
|
if Table.Post = table then
|
|
for idx in [ "categoryIds"; "tags" ] do
|
|
if not (List.contains idx indexes) then
|
|
log.LogInformation $"Creating index {table}.{idx}..."
|
|
do! rethink {
|
|
withTable table
|
|
indexCreate idx [ Multi ]
|
|
write; withRetryOnce; ignoreResult conn
|
|
}
|
|
// Tag mapping needs an index by web log ID and both tag and URL values
|
|
if Table.TagMap = table then
|
|
if not (indexes |> List.contains "webLogAndTag") then
|
|
log.LogInformation $"Creating index {table}.webLogAndTag..."
|
|
do! rethink {
|
|
withTable table
|
|
indexCreate "webLogAndTag" (fun row -> r.Array (row["webLogId"], row["tag"]) :> obj)
|
|
write; withRetryOnce; ignoreResult conn
|
|
}
|
|
if not (indexes |> List.contains "webLogAndUrl") then
|
|
log.LogInformation $"Creating index {table}.webLogAndUrl..."
|
|
do! rethink {
|
|
withTable table
|
|
indexCreate "webLogAndUrl" (fun row -> r.Array (row["webLogId"], row["urlValue"]) :> obj)
|
|
write; withRetryOnce; ignoreResult conn
|
|
}
|
|
// Users log on with e-mail
|
|
if Table.WebLogUser = table && not (indexes |> List.contains "logOn") then
|
|
log.LogInformation $"Creating index {table}.logOn..."
|
|
do! rethink {
|
|
withTable table
|
|
indexCreate "logOn" (fun row -> r.Array (row["webLogId"], row["userName"]) :> obj)
|
|
write; withRetryOnce; ignoreResult conn
|
|
}
|
|
}
|
|
|
|
/// Ensure all necessary tables and indexes exist
|
|
let ensureDb (config : DataConfig) (log : ILogger) conn = backgroundTask {
|
|
|
|
let! dbs = rethink<string list> { dbList; result; withRetryOnce conn }
|
|
if not (dbs |> List.contains config.Database) then
|
|
log.LogInformation($"Creating database {config.Database}...")
|
|
do! rethink { dbCreate config.Database; write; withRetryOnce; ignoreResult conn }
|
|
|
|
let! tables = rethink<string list> { tableList; result; withRetryOnce conn }
|
|
for tbl in Table.all do
|
|
if not (tables |> List.contains tbl) then
|
|
log.LogInformation($"Creating table {tbl}...")
|
|
do! rethink { tableCreate tbl; write; withRetryOnce; ignoreResult conn }
|
|
|
|
let makeIdx = ensureIndexes log conn
|
|
do! makeIdx Table.Category [ "webLogId" ]
|
|
do! makeIdx Table.Comment [ "postId" ]
|
|
do! makeIdx Table.Page [ "webLogId"; "authorId" ]
|
|
do! makeIdx Table.Post [ "webLogId"; "authorId" ]
|
|
do! makeIdx Table.TagMap []
|
|
do! makeIdx Table.WebLog [ "urlBase" ]
|
|
do! makeIdx Table.WebLogUser [ "webLogId" ]
|
|
}
|
|
|
|
/// Functions to manipulate categories
|
|
module Category =
|
|
|
|
open System.Threading.Tasks
|
|
open MyWebLog.ViewModels
|
|
|
|
/// Add a category
|
|
let add (cat : Category) =
|
|
rethink {
|
|
withTable Table.Category
|
|
insert cat
|
|
write; withRetryDefault; ignoreResult
|
|
}
|
|
|
|
/// Count all categories for a web log
|
|
let countAll (webLogId : WebLogId) =
|
|
rethink<int> {
|
|
withTable Table.Category
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
count
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Count top-level categories for a web log
|
|
let countTopLevel (webLogId : WebLogId) =
|
|
rethink<int> {
|
|
withTable Table.Category
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
filter "parentId" None
|
|
count
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Create a category hierarchy from the given list of categories
|
|
let rec private orderByHierarchy (cats : Category list) parentId slugBase parentNames = seq {
|
|
for cat in cats |> List.filter (fun c -> c.parentId = parentId) do
|
|
let fullSlug = (match slugBase with Some it -> $"{it}/" | None -> "") + cat.slug
|
|
{ id = CategoryId.toString cat.id
|
|
slug = fullSlug
|
|
name = cat.name
|
|
description = cat.description
|
|
parentNames = Array.ofList parentNames
|
|
// Post counts are filled on a second pass
|
|
postCount = 0
|
|
}
|
|
yield! orderByHierarchy cats (Some cat.id) (Some fullSlug) ([ cat.name ] |> List.append parentNames)
|
|
}
|
|
|
|
/// Find all categories for a web log, sorted alphabetically, arranged in groups, in view model format
|
|
let findAllForView (webLogId : WebLogId) conn = backgroundTask {
|
|
let! cats = rethink<Category list> {
|
|
withTable Table.Category
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
orderByFunc (fun it -> it["name"].Downcase () :> obj)
|
|
result; withRetryDefault conn
|
|
}
|
|
let ordered = orderByHierarchy cats None None []
|
|
let! counts =
|
|
ordered
|
|
|> Seq.map (fun it -> backgroundTask {
|
|
// Parent category post counts include posts in subcategories
|
|
let catIds =
|
|
ordered
|
|
|> Seq.filter (fun cat -> cat.parentNames |> Array.contains it.name)
|
|
|> Seq.map (fun cat -> cat.id :> obj)
|
|
|> Seq.append (Seq.singleton it.id)
|
|
|> List.ofSeq
|
|
let! count = rethink<int> {
|
|
withTable Table.Post
|
|
getAll catIds "categoryIds"
|
|
filter "status" Published
|
|
distinct
|
|
count
|
|
result; withRetryDefault conn
|
|
}
|
|
return it.id, count
|
|
})
|
|
|> Task.WhenAll
|
|
return
|
|
ordered
|
|
|> Seq.map (fun cat ->
|
|
{ cat with
|
|
postCount = counts
|
|
|> Array.tryFind (fun c -> fst c = cat.id)
|
|
|> Option.map snd
|
|
|> Option.defaultValue 0
|
|
})
|
|
|> Array.ofSeq
|
|
}
|
|
|
|
/// Find a category by its ID
|
|
let findById (catId : CategoryId) webLogId =
|
|
rethink<Category> {
|
|
withTable Table.Category
|
|
get catId
|
|
resultOption; withRetryOptionDefault
|
|
}
|
|
|> verifyWebLog webLogId (fun c -> c.webLogId)
|
|
|
|
/// Delete a category, also removing it from any posts to which it is assigned
|
|
let delete catId webLogId conn = backgroundTask {
|
|
match! findById catId webLogId conn with
|
|
| Some _ ->
|
|
// Delete the category off all posts where it is assigned
|
|
do! rethink {
|
|
withTable Table.Post
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
filter (fun row -> row["categoryIds"].Contains catId :> obj)
|
|
update (fun row -> r.HashMap ("categoryIds", r.Array(row["categoryIds"]).Remove catId) :> obj)
|
|
write; withRetryDefault; ignoreResult conn
|
|
}
|
|
// Delete the category itself
|
|
do! rethink {
|
|
withTable Table.Category
|
|
get catId
|
|
delete
|
|
write; withRetryDefault; ignoreResult conn
|
|
}
|
|
return true
|
|
| None -> return false
|
|
}
|
|
|
|
/// Get a category ID -> name dictionary for the given category IDs
|
|
let findNames (webLogId : WebLogId) conn (catIds : CategoryId list) = backgroundTask {
|
|
let! cats = rethink<Category list> {
|
|
withTable Table.Category
|
|
getAll (objList catIds)
|
|
filter "webLogId" webLogId
|
|
result; withRetryDefault conn
|
|
}
|
|
return cats |> List.map (fun c -> { name = CategoryId.toString c.id; value = c.name})
|
|
}
|
|
|
|
/// Update a category
|
|
let update (cat : Category) =
|
|
rethink {
|
|
withTable Table.Category
|
|
get cat.id
|
|
update [ "name", cat.name :> obj
|
|
"slug", cat.slug
|
|
"description", cat.description
|
|
"parentId", cat.parentId
|
|
]
|
|
write; withRetryDefault; ignoreResult
|
|
}
|
|
|
|
|
|
/// Functions to manipulate pages
|
|
module Page =
|
|
|
|
open RethinkDb.Driver.Model
|
|
|
|
/// Add a new page
|
|
let add (page : Page) =
|
|
rethink {
|
|
withTable Table.Page
|
|
insert page
|
|
write; withRetryDefault; ignoreResult
|
|
}
|
|
|
|
/// Count all pages for a web log
|
|
let countAll (webLogId : WebLogId) =
|
|
rethink<int> {
|
|
withTable Table.Page
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
count
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Count listed pages for a web log
|
|
let countListed (webLogId : WebLogId) =
|
|
rethink<int> {
|
|
withTable Table.Page
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
filter "showInPageList" true
|
|
count
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Delete a page
|
|
let delete (pageId : PageId) (webLogId : WebLogId) conn = backgroundTask {
|
|
let! result =
|
|
rethink<Result> {
|
|
withTable Table.Page
|
|
getAll [ pageId ]
|
|
filter (fun row -> row["webLogId"].Eq webLogId :> obj)
|
|
delete
|
|
write; withRetryDefault conn
|
|
}
|
|
return result.Deleted > 0UL
|
|
}
|
|
|
|
/// Retrieve all pages for a web log (excludes text, prior permalinks, and revisions)
|
|
let findAll (webLogId : WebLogId) =
|
|
rethink<Page list> {
|
|
withTable Table.Page
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
without [ "text"; "priorPermalinks"; "revisions" ]
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Find a page by its ID (including prior permalinks and revisions)
|
|
let findByFullId (pageId : PageId) webLogId =
|
|
rethink<Page> {
|
|
withTable Table.Page
|
|
get pageId
|
|
resultOption; withRetryOptionDefault
|
|
}
|
|
|> verifyWebLog webLogId (fun it -> it.webLogId)
|
|
|
|
/// Find a page by its ID (excludes prior permalinks and revisions)
|
|
let findById (pageId : PageId) webLogId =
|
|
rethink<Page> {
|
|
withTable Table.Page
|
|
get pageId
|
|
without [ "priorPermalinks"; "revisions" ]
|
|
resultOption; withRetryOptionDefault
|
|
}
|
|
|> verifyWebLog webLogId (fun it -> it.webLogId)
|
|
|
|
/// Find a page by its permalink
|
|
let findByPermalink (permalink : Permalink) (webLogId : WebLogId) =
|
|
rethink<Page list> {
|
|
withTable Table.Page
|
|
getAll [ r.Array (webLogId, permalink) ] (nameof permalink)
|
|
without [ "priorPermalinks"; "revisions" ]
|
|
limit 1
|
|
result; withRetryDefault
|
|
}
|
|
|> tryFirst
|
|
|
|
/// Find the current permalink for a page by a prior permalink
|
|
let findCurrentPermalink (permalinks : Permalink list) (webLogId : WebLogId) conn = backgroundTask {
|
|
let! result =
|
|
(rethink<Page list> {
|
|
withTable Table.Page
|
|
getAll (objList permalinks) "priorPermalinks"
|
|
filter "webLogId" webLogId
|
|
without [ "revisions"; "text" ]
|
|
limit 1
|
|
result; withRetryDefault
|
|
}
|
|
|> tryFirst) conn
|
|
return result |> Option.map (fun pg -> pg.permalink)
|
|
}
|
|
|
|
/// Find all pages in the page list for the given web log
|
|
let findListed (webLogId : WebLogId) =
|
|
rethink<Page list> {
|
|
withTable Table.Page
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
filter [ "showInPageList", true :> obj ]
|
|
without [ "text"; "priorPermalinks"; "revisions" ]
|
|
orderBy "title"
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Find a list of pages (displayed in admin area)
|
|
let findPageOfPages (webLogId : WebLogId) pageNbr =
|
|
rethink<Page list> {
|
|
withTable Table.Page
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
without [ "priorPermalinks"; "revisions" ]
|
|
orderByFunc (fun row -> row["title"].Downcase ())
|
|
skip ((pageNbr - 1) * 25)
|
|
limit 25
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Update a page
|
|
let update (page : Page) =
|
|
rethink {
|
|
withTable Table.Page
|
|
get page.id
|
|
update [
|
|
"title", page.title :> obj
|
|
"permalink", page.permalink
|
|
"updatedOn", page.updatedOn
|
|
"showInPageList", page.showInPageList
|
|
"template", page.template
|
|
"text", page.text
|
|
"priorPermalinks", page.priorPermalinks
|
|
"metadata", page.metadata
|
|
"revisions", page.revisions
|
|
]
|
|
write; withRetryDefault; ignoreResult
|
|
}
|
|
|
|
/// Update prior permalinks for a page
|
|
let updatePriorPermalinks pageId webLogId (permalinks : Permalink list) conn = backgroundTask {
|
|
match! findById pageId webLogId conn with
|
|
| Some _ ->
|
|
do! rethink {
|
|
withTable Table.Page
|
|
get pageId
|
|
update [ "priorPermalinks", permalinks :> obj ]
|
|
write; withRetryDefault; ignoreResult conn
|
|
}
|
|
return true
|
|
| None -> return false
|
|
}
|
|
|
|
|
|
/// Functions to manipulate posts
|
|
module Post =
|
|
|
|
open System
|
|
open RethinkDb.Driver.Model
|
|
|
|
/// Add a post
|
|
let add (post : Post) =
|
|
rethink {
|
|
withTable Table.Post
|
|
insert post
|
|
write; withRetryDefault; ignoreResult
|
|
}
|
|
|
|
/// Count posts for a web log by their status
|
|
let countByStatus (status : PostStatus) (webLogId : WebLogId) =
|
|
rethink<int> {
|
|
withTable Table.Post
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
filter "status" status
|
|
count
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Delete a post
|
|
let delete (postId : PostId) (webLogId : WebLogId) conn = backgroundTask {
|
|
let! result =
|
|
rethink<Result> {
|
|
withTable Table.Post
|
|
getAll [ postId ]
|
|
filter (fun row -> row["webLogId"].Eq webLogId :> obj)
|
|
delete
|
|
write; withRetryDefault conn
|
|
}
|
|
return result.Deleted > 0UL
|
|
}
|
|
|
|
/// Find a post by its permalink
|
|
let findByPermalink (permalink : Permalink) (webLogId : WebLogId) =
|
|
rethink<Post list> {
|
|
withTable Table.Post
|
|
getAll [ r.Array (webLogId, permalink) ] (nameof permalink)
|
|
without [ "priorPermalinks"; "revisions" ]
|
|
limit 1
|
|
result; withRetryDefault
|
|
}
|
|
|> tryFirst
|
|
|
|
/// Find a post by its ID, including all revisions and prior permalinks
|
|
let findByFullId (postId : PostId) webLogId =
|
|
rethink<Post> {
|
|
withTable Table.Post
|
|
get postId
|
|
resultOption; withRetryOptionDefault
|
|
}
|
|
|> verifyWebLog webLogId (fun p -> p.webLogId)
|
|
|
|
/// Find the current permalink for a post by a prior permalink
|
|
let findCurrentPermalink (permalinks : Permalink list) (webLogId : WebLogId) conn = backgroundTask {
|
|
let! result =
|
|
(rethink<Post list> {
|
|
withTable Table.Post
|
|
getAll (objList permalinks) "priorPermalinks"
|
|
filter "webLogId" webLogId
|
|
without [ "revisions"; "text" ]
|
|
limit 1
|
|
result; withRetryDefault
|
|
}
|
|
|> tryFirst) conn
|
|
return result |> Option.map (fun post -> post.permalink)
|
|
}
|
|
|
|
/// Find posts to be displayed on a category list page
|
|
let findPageOfCategorizedPosts (webLogId : WebLogId) (catIds : CategoryId list) pageNbr postsPerPage =
|
|
rethink<Post list> {
|
|
withTable Table.Post
|
|
getAll (objList catIds) "categoryIds"
|
|
filter "webLogId" webLogId
|
|
filter "status" Published
|
|
without [ "priorPermalinks"; "revisions" ]
|
|
distinct
|
|
orderByDescending "publishedOn"
|
|
skip ((pageNbr - 1) * postsPerPage)
|
|
limit (postsPerPage + 1)
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Find posts to be displayed on an admin page
|
|
let findPageOfPosts (webLogId : WebLogId) (pageNbr : int) postsPerPage =
|
|
rethink<Post list> {
|
|
withTable Table.Post
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
without [ "priorPermalinks"; "revisions" ]
|
|
orderByFuncDescending (fun row -> row["publishedOn"].Default_ "updatedOn" :> obj)
|
|
skip ((pageNbr - 1) * postsPerPage)
|
|
limit (postsPerPage + 1)
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Find posts to be displayed on a page
|
|
let findPageOfPublishedPosts (webLogId : WebLogId) pageNbr postsPerPage =
|
|
rethink<Post list> {
|
|
withTable Table.Post
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
filter "status" Published
|
|
without [ "priorPermalinks"; "revisions" ]
|
|
orderByDescending "publishedOn"
|
|
skip ((pageNbr - 1) * postsPerPage)
|
|
limit (postsPerPage + 1)
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Find posts to be displayed on a tag list page
|
|
let findPageOfTaggedPosts (webLogId : WebLogId) (tag : string) pageNbr postsPerPage =
|
|
rethink<Post list> {
|
|
withTable Table.Post
|
|
getAll [ tag ] "tags"
|
|
filter "webLogId" webLogId
|
|
filter "status" Published
|
|
without [ "priorPermalinks"; "revisions" ]
|
|
orderByDescending "publishedOn"
|
|
skip ((pageNbr - 1) * postsPerPage)
|
|
limit (postsPerPage + 1)
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Find the next older and newer post for the given post
|
|
let findSurroundingPosts (webLogId : WebLogId) (publishedOn : DateTime) conn = backgroundTask {
|
|
let! older =
|
|
rethink<Post list> {
|
|
withTable Table.Post
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
filter (fun row -> row["publishedOn"].Lt publishedOn :> obj)
|
|
orderByDescending "publishedOn"
|
|
limit 1
|
|
result; withRetryDefault
|
|
}
|
|
|> tryFirst <| conn
|
|
let! newer =
|
|
rethink<Post list> {
|
|
withTable Table.Post
|
|
getAll [ webLogId ] (nameof webLogId)
|
|
filter (fun row -> row["publishedOn"].Gt publishedOn :> obj)
|
|
orderBy "publishedOn"
|
|
limit 1
|
|
result; withRetryDefault
|
|
}
|
|
|> tryFirst <| conn
|
|
return older, newer
|
|
}
|
|
|
|
/// Update a post (all fields are updated)
|
|
let update (post : Post) =
|
|
rethink {
|
|
withTable Table.Post
|
|
get post.id
|
|
replace post
|
|
write; withRetryDefault; ignoreResult
|
|
}
|
|
|
|
/// Update prior permalinks for a post
|
|
let updatePriorPermalinks (postId : PostId) webLogId (permalinks : Permalink list) conn = backgroundTask {
|
|
match! (
|
|
rethink<Post> {
|
|
withTable Table.Post
|
|
get postId
|
|
without [ "revisions"; "priorPermalinks" ]
|
|
resultOption; withRetryOptionDefault
|
|
}
|
|
|> verifyWebLog webLogId (fun p -> p.webLogId)) conn with
|
|
| Some _ ->
|
|
do! rethink {
|
|
withTable Table.Post
|
|
get postId
|
|
update [ "priorPermalinks", permalinks :> obj ]
|
|
write; withRetryDefault; ignoreResult conn
|
|
}
|
|
return true
|
|
| None -> return false
|
|
}
|
|
|
|
|
|
/// Functions to manipulate tag mappings
|
|
module TagMap =
|
|
|
|
open RethinkDb.Driver.Model
|
|
|
|
/// Delete a tag mapping
|
|
let delete (tagMapId : TagMapId) (webLogId : WebLogId) conn = backgroundTask {
|
|
let! result =
|
|
rethink<Result> {
|
|
withTable Table.TagMap
|
|
getAll [ tagMapId ]
|
|
filter (fun row -> row["webLogId"].Eq webLogId :> obj)
|
|
delete
|
|
write; withRetryDefault conn
|
|
}
|
|
return result.Deleted > 0UL
|
|
}
|
|
|
|
/// Find a tag map by its ID
|
|
let findById (tagMapId : TagMapId) webLogId =
|
|
rethink<TagMap> {
|
|
withTable Table.TagMap
|
|
get tagMapId
|
|
resultOption; withRetryOptionDefault
|
|
}
|
|
|> verifyWebLog webLogId (fun tm -> tm.webLogId)
|
|
|
|
/// Find a tag mapping via URL value for a given web log
|
|
let findByUrlValue (urlValue : string) (webLogId : WebLogId) =
|
|
rethink<TagMap list> {
|
|
withTable Table.TagMap
|
|
getAll [ r.Array (webLogId, urlValue) ] "webLogAndUrl"
|
|
limit 1
|
|
result; withRetryDefault
|
|
}
|
|
|> tryFirst
|
|
|
|
/// Find all tag mappings for a web log
|
|
let findByWebLogId (webLogId : WebLogId) =
|
|
rethink<TagMap list> {
|
|
withTable Table.TagMap
|
|
between (r.Array (webLogId, r.Minval ())) (r.Array (webLogId, r.Maxval ())) [ Index "webLogAndTag" ]
|
|
orderBy "tag"
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Retrieve mappings for the specified tags
|
|
let findMappingForTags (tags : string list) (webLogId : WebLogId) =
|
|
rethink<TagMap list> {
|
|
withTable Table.TagMap
|
|
getAll (tags |> List.map (fun tag -> r.Array (webLogId, tag) :> obj)) "webLogAndTag"
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Save a tag mapping
|
|
let save (tagMap : TagMap) =
|
|
rethink {
|
|
withTable Table.TagMap
|
|
get tagMap.id
|
|
replace tagMap
|
|
write; withRetryDefault; ignoreResult
|
|
}
|
|
|
|
|
|
/// Functions to manipulate web logs
|
|
module WebLog =
|
|
|
|
/// Add a web log
|
|
let add (webLog : WebLog) = rethink {
|
|
withTable Table.WebLog
|
|
insert webLog
|
|
write; withRetryOnce; ignoreResult
|
|
}
|
|
|
|
/// Get all web logs
|
|
let all = rethink<WebLog list> {
|
|
withTable Table.WebLog
|
|
result; withRetryDefault
|
|
}
|
|
|
|
/// Retrieve a web log by the URL base
|
|
let findByHost (url : string) =
|
|
rethink<WebLog list> {
|
|
withTable Table.WebLog
|
|
getAll [ url ] "urlBase"
|
|
limit 1
|
|
result; withRetryDefault
|
|
}
|
|
|> tryFirst
|
|
|
|
/// Retrieve a web log by its ID
|
|
let findById (webLogId : WebLogId) =
|
|
rethink<WebLog> {
|
|
withTable Table.WebLog
|
|
get webLogId
|
|
resultOption; withRetryOptionDefault
|
|
}
|
|
|
|
/// Update web log settings (updates all values)
|
|
let updateSettings (webLog : WebLog) =
|
|
rethink {
|
|
withTable Table.WebLog
|
|
get webLog.id
|
|
replace webLog
|
|
write; withRetryDefault; ignoreResult
|
|
}
|
|
|
|
|
|
/// Functions to manipulate web log users
|
|
module WebLogUser =
|
|
|
|
/// Add a web log user
|
|
let add (user : WebLogUser) =
|
|
rethink {
|
|
withTable Table.WebLogUser
|
|
insert user
|
|
write; withRetryDefault; ignoreResult
|
|
}
|
|
|
|
/// Find a user by their e-mail address
|
|
let findByEmail (email : string) (webLogId : WebLogId) =
|
|
rethink<WebLogUser list> {
|
|
withTable Table.WebLogUser
|
|
getAll [ r.Array (webLogId, email) ] "logOn"
|
|
limit 1
|
|
result; withRetryDefault
|
|
}
|
|
|> tryFirst
|
|
|
|
/// Find a user by their ID
|
|
let findById (userId : WebLogUserId) =
|
|
rethink<WebLogUser> {
|
|
withTable Table.WebLogUser
|
|
get userId
|
|
resultOption; withRetryOptionDefault
|
|
}
|
|
|
|
/// Get a user ID -> name dictionary for the given user IDs
|
|
let findNames (webLogId : WebLogId) conn (userIds : WebLogUserId list) = backgroundTask {
|
|
let! users = rethink<WebLogUser list> {
|
|
withTable Table.WebLogUser
|
|
getAll (objList userIds)
|
|
filter "webLogId" webLogId
|
|
result; withRetryDefault conn
|
|
}
|
|
return users |> List.map (fun u -> { name = WebLogUserId.toString u.id; value = WebLogUser.displayName u })
|
|
}
|
|
|
|
/// Update a user
|
|
let update (user : WebLogUser) =
|
|
rethink {
|
|
withTable Table.WebLogUser
|
|
get user.id
|
|
update [
|
|
"firstName", user.firstName :> obj
|
|
"lastName", user.lastName
|
|
"preferredName", user.preferredName
|
|
"passwordHash", user.passwordHash
|
|
"salt", user.salt
|
|
]
|
|
write; withRetryDefault; ignoreResult
|
|
}
|
|
|