WIP on SQLite doc library
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@ -4,6 +4,10 @@
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<ProjectReference Include="..\MyWebLog.Domain\MyWebLog.Domain.fsproj" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\..\BitBadger.Sqlite.Documents\src\BitBadger.Sqlite.FSharp.Documents\BitBadger.Sqlite.FSharp.Documents.fsproj" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="BitBadger.Npgsql.FSharp.Documents" Version="2.0.0" />
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<PackageReference Include="Microsoft.Data.Sqlite" Version="8.0.0" />
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@ -1,5 +1,7 @@
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namespace MyWebLog.Data
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open System.Threading.Tasks
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open BitBadger.Sqlite.FSharp.Documents
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open Microsoft.Data.Sqlite
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open Microsoft.Extensions.Logging
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open MyWebLog
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@ -12,25 +14,15 @@ type SQLiteData(conn: SqliteConnection, log: ILogger<SQLiteData>, ser: JsonSeria
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let ensureTables () = backgroundTask {
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use cmd = conn.CreateCommand()
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let! tables = backgroundTask {
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cmd.CommandText <- "SELECT name FROM sqlite_master WHERE type = 'table'"
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let! rdr = cmd.ExecuteReaderAsync()
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let mutable tableList = []
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while! rdr.ReadAsync() do
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tableList <- Map.getString "name" rdr :: tableList
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do! rdr.CloseAsync()
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return tableList
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}
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let! tables = Custom.list<string> "SELECT name FROM sqlite_master WHERE type = 'table'" None _.GetString(0)
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let needsTable table =
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not (List.contains table tables)
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let jsonTable table =
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$"CREATE TABLE {table} (data TEXT NOT NULL);
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CREATE UNIQUE INDEX idx_{table}_key ON {table} ((data ->> 'Id'))"
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$"{Definition.createTable table}; {Definition.createKey table}"
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let tasks =
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seq {
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// Theme tables
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if needsTable Table.Theme then jsonTable Table.Theme
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@ -63,7 +55,7 @@ type SQLiteData(conn: SqliteConnection, log: ILogger<SQLiteData>, ser: JsonSeria
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CREATE INDEX idx_{Table.Page}_permalink
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ON {Table.Page} ((data ->> 'WebLogId'), (data ->> 'Permalink'))"
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if needsTable Table.PageRevision then
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"CREATE TABLE page_revision (
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$"CREATE TABLE {Table.PageRevision} (
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page_id TEXT NOT NULL,
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as_of TEXT NOT NULL,
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revision_text TEXT NOT NULL,
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@ -109,11 +101,11 @@ type SQLiteData(conn: SqliteConnection, log: ILogger<SQLiteData>, ser: JsonSeria
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INSERT INTO {Table.DbVersion} VALUES ('v2.1')"
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}
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|> Seq.map (fun sql ->
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log.LogInformation $"Creating {(sql.Split ' ')[2]} table..."
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cmd.CommandText <- sql
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write cmd |> Async.AwaitTask |> Async.RunSynchronously)
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|> List.ofSeq
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|> ignore
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log.LogInformation $"""Creating {(sql.Replace("IF NOT EXISTS ", "").Split ' ')[2]} table..."""
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Custom.nonQuery sql None)
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let! _ = Task.WhenAll tasks
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()
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}
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/// Set the database version to the specified version
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@ -459,15 +451,6 @@ type SQLiteData(conn: SqliteConnection, log: ILogger<SQLiteData>, ser: JsonSeria
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/// The connection for this instance
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member _.Conn = conn
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/// Make a SQLite connection ready to execute commends
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static member setUpConnection (conn: SqliteConnection) = backgroundTask {
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do! conn.OpenAsync()
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use cmd = conn.CreateCommand()
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cmd.CommandText <- "PRAGMA foreign_keys = TRUE"
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let! _ = cmd.ExecuteNonQueryAsync()
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()
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}
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interface IData with
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member _.Category = SQLiteCategoryData (conn, ser, log)
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@ -484,10 +467,6 @@ type SQLiteData(conn: SqliteConnection, log: ILogger<SQLiteData>, ser: JsonSeria
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member _.StartUp () = backgroundTask {
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do! ensureTables ()
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use cmd = conn.CreateCommand()
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cmd.CommandText <- $"SELECT id FROM {Table.DbVersion}"
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use! rdr = cmd.ExecuteReaderAsync()
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let! isFound = rdr.ReadAsync()
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do! migrate (if isFound then Some (Map.getString "id" rdr) else None)
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let! version = Custom.single<string> $"SELECT id FROM {Table.DbVersion}" None _.GetString(0)
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do! migrate version
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}
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@ -50,12 +50,17 @@ type RedirectRuleMiddleware(next: RequestDelegate, log: ILogger<RedirectRuleMidd
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open System
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open BitBadger.Npgsql.FSharp.Documents
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open Microsoft.Extensions.DependencyInjection
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open MyWebLog.Data
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open Newtonsoft.Json
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open Npgsql
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// The PostgreSQL document library
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module Postgres = BitBadger.Npgsql.FSharp.Documents
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// The SQLite document library
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module Sqlite = BitBadger.Sqlite.FSharp.Documents
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/// Logic to obtain a data connection and implementation based on configured values
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module DataImplementation =
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@ -68,7 +73,7 @@ module DataImplementation =
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let builder = NpgsqlDataSourceBuilder(cfg.GetConnectionString "PostgreSQL")
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let _ = builder.UseNodaTime()
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// let _ = builder.UseLoggerFactory(LoggerFactory.Create(fun it -> it.AddConsole () |> ignore))
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(builder.Build >> Configuration.useDataSource) ()
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(builder.Build >> Postgres.Configuration.useDataSource) ()
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/// Get the configured data implementation
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let get (sp: IServiceProvider) : IData =
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@ -77,10 +82,10 @@ module DataImplementation =
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let connStr name = config.GetConnectionString name
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let hasConnStr name = (connStr >> isNull >> not) name
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let createSQLite connStr : IData =
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Sqlite.Configuration.useConnectionString connStr
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let log = sp.GetRequiredService<ILogger<SQLiteData>>()
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let conn = new SqliteConnection(connStr)
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log.LogInformation $"Using SQLite database {conn.DataSource}"
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await (SQLiteData.setUpConnection conn)
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SQLiteData(conn, log, Json.configure (JsonSerializer.CreateDefault()))
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if hasConnStr "SQLite" then
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@ -93,7 +98,7 @@ module DataImplementation =
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RethinkDbData(conn, rethinkCfg, log)
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elif hasConnStr "PostgreSQL" then
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createNpgsqlDataSource config
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use conn = Configuration.dataSource().CreateConnection()
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use conn = Postgres.Configuration.dataSource().CreateConnection()
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let log = sp.GetRequiredService<ILogger<PostgresData>>()
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log.LogInformation $"Using PostgreSQL database {conn.Database}"
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PostgresData(log, Json.configure (JsonSerializer.CreateDefault()))
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@ -170,13 +175,13 @@ let main args =
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opts.TableName <- "Session"
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opts.Connection <- rethink.Conn)
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()
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| :? SQLiteData as sql ->
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| :? SQLiteData ->
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// ADO.NET connections are designed to work as per-request instantiation
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let cfg = sp.GetRequiredService<IConfiguration>()
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let _ =
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builder.Services.AddScoped<SqliteConnection>(fun sp ->
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let conn = new SqliteConnection(sql.Conn.ConnectionString)
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SQLiteData.setUpConnection conn |> Async.AwaitTask |> Async.RunSynchronously
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let conn = Sqlite.Configuration.dbConn ()
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conn.OpenAsync() |> Async.AwaitTask |> Async.RunSynchronously
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conn)
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let _ = builder.Services.AddScoped<IData, SQLiteData>()
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// Use SQLite for caching as well
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@ -185,7 +190,7 @@ let main args =
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()
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| :? PostgresData as postgres ->
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// ADO.NET Data Sources are designed to work as singletons
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let _ = builder.Services.AddSingleton<NpgsqlDataSource>(Configuration.dataSource ())
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let _ = builder.Services.AddSingleton<NpgsqlDataSource>(Postgres.Configuration.dataSource ())
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let _ = builder.Services.AddSingleton<IData> postgres
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let _ =
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builder.Services.AddSingleton<IDistributedCache>(fun _ ->
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