[Provider] Server entities and models (#1370)

* Mock out provider models and service

* Implement CreateAsync, CompleteSetupAsync, UpdateAsync, InviteUserAsync and ResendInvitesAsync

* Implement AcceptUserAsync and ConfirmUsersAsync

* Implement SaveUserAsync and DeleteUserAsync

* Add email templates

* Add admin operations for providers

* Fix mail template names

* Rename roles

* Verify provider has provideradmin

* Add self hosted check to admin controller

* Resolve review comments

* Update sql queries

* Change create provider to use email instead of userId

util/Migrator/DbScripts/2021-05-26_00_Provider.sql

@@ -95,6 +95,12 @@ BEGIN
 END
 GO
 
+ALTER TABLE [dbo].[Provider] ALTER COLUMN [Name] NVARCHAR (50) NULL;
+GO
+
+ALTER TABLE [dbo].[Provider] ALTER COLUMN [BillingEmail] NVARCHAR (256) NULL;
+GO
+
 IF EXISTS(SELECT * FROM sys.views WHERE [Name] = 'ProviderView')
 BEGIN
     DROP VIEW [dbo].[ProviderView];
@@ -454,7 +460,8 @@ END
 GO
 
 CREATE PROCEDURE [dbo].[ProviderUser_ReadByProviderId]
-    @ProviderId UNIQUEIDENTIFIER
+    @ProviderId UNIQUEIDENTIFIER,
+    @Type TINYINT
 AS
 BEGIN
     SET NOCOUNT ON
@@ -465,6 +472,7 @@ BEGIN
         [dbo].[ProviderUserView]
     WHERE
         [ProviderId] = @ProviderId
+        AND [Type] = COALESCE(@Type, [Type])
 END
 GO
 
@@ -797,3 +805,182 @@ BEGIN
     EXEC [dbo].[User_BumpAccountRevisionDateByProviderUserId] @ProviderUserId
 END
 GO
+
+IF OBJECT_ID('[dbo].[ProviderUser_ReadCountByProviderIdEmail]') IS NOT NULL
+    BEGIN
+        DROP PROCEDURE [dbo].[ProviderUser_ReadCountByProviderIdEmail]
+    END
+GO
+
+CREATE PROCEDURE [dbo].[ProviderUser_ReadCountByProviderIdEmail]
+    @ProviderId UNIQUEIDENTIFIER,
+    @Email NVARCHAR(256),
+    @OnlyUsers BIT
+AS
+BEGIN
+    SET NOCOUNT ON
+
+    SELECT
+        COUNT(1)
+    FROM
+        [dbo].[ProviderUser] OU
+            LEFT JOIN
+        [dbo].[User] U ON OU.[UserId] = U.[Id]
+    WHERE
+            OU.[ProviderId] = @ProviderId
+      AND (
+            (@OnlyUsers = 0 AND @Email IN (OU.[Email], U.[Email]))
+            OR (@OnlyUsers = 1 AND U.[Email] = @Email)
+        )
+END
+GO
+
+IF OBJECT_ID('[dbo].[ProviderUser_ReadByIds]') IS NOT NULL
+    BEGIN
+        DROP PROCEDURE [dbo].[ProviderUser_ReadByIds]
+    END
+GO
+
+CREATE PROCEDURE [dbo].[ProviderUser_ReadByIds]
+@Ids AS [dbo].[GuidIdArray] READONLY
+AS
+BEGIN
+    SET NOCOUNT ON
+
+    IF (SELECT COUNT(1) FROM @Ids) < 1
+        BEGIN
+            RETURN(-1)
+        END
+
+    SELECT
+        *
+    FROM
+        [dbo].[ProviderUserView]
+    WHERE
+        [Id] IN (SELECT [Id] FROM @Ids)
+END
+GO
+
+
+IF OBJECT_ID('[dbo].[User_BumpAccountRevisionDateByProviderUserIds]') IS NOT NULL
+    BEGIN
+        DROP PROCEDURE [dbo].[User_BumpAccountRevisionDateByProviderUserIds]
+    END
+GO
+
+CREATE PROCEDURE [dbo].[User_BumpAccountRevisionDateByProviderUserIds]
+@ProviderUserIds [dbo].[GuidIdArray] READONLY
+AS
+BEGIN
+    SET NOCOUNT ON
+
+    UPDATE
+        U
+    SET
+        U.[AccountRevisionDate] = GETUTCDATE()
+    FROM
+        @ProviderUserIds OUIDs
+            INNER JOIN
+        [dbo].[ProviderUser] PU ON OUIDs.Id = PU.Id AND PU.[Status] = 2 -- Confirmed
+            INNER JOIN
+        [dbo].[User] U ON PU.UserId = U.Id
+END
+GO
+
+IF OBJECT_ID('[dbo].[ProviderUser_DeleteByIds]') IS NOT NULL
+    BEGIN
+        DROP PROCEDURE [dbo].[ProviderUser_DeleteByIds]
+    END
+GO
+
+CREATE PROCEDURE [dbo].[ProviderUser_DeleteByIds]
+@Ids [dbo].[GuidIdArray] READONLY
+AS
+BEGIN
+    SET NOCOUNT ON
+
+    EXEC [dbo].[User_BumpAccountRevisionDateByProviderUserIds] @Ids
+
+    DECLARE @UserAndProviderIds [dbo].[TwoGuidIdArray]
+
+    INSERT INTO @UserAndProviderIds
+    (Id1, Id2)
+    SELECT
+        UserId,
+        ProviderId
+    FROM
+        [dbo].[ProviderUser] PU
+            INNER JOIN
+        @Ids PUIds ON PUIds.Id = PU.Id
+    WHERE
+        UserId IS NOT NULL AND
+        ProviderId IS NOT NULL
+
+    DECLARE @BatchSize INT = 100
+
+    -- Delete ProviderUsers
+    WHILE @BatchSize > 0
+        BEGIN
+            BEGIN TRANSACTION ProviderUser_DeleteMany_PUs
+
+                DELETE TOP(@BatchSize) OU
+                FROM
+                    [dbo].[ProviderUser] PU
+                        INNER JOIN
+                    @Ids I ON I.Id = PU.Id
+
+                SET @BatchSize = @@ROWCOUNT
+
+            COMMIT TRANSACTION ProviderUser_DeleteMany_PUs
+        END
+END
+GO
+
+IF OBJECT_ID('[dbo].[Provider_Search]') IS NOT NULL
+    BEGIN
+        DROP PROCEDURE [dbo].[Provider_Search]
+    END
+GO
+
+CREATE PROCEDURE [dbo].[Provider_Search]
+    @Name NVARCHAR(50),
+    @UserEmail NVARCHAR(256),
+    @Skip INT = 0,
+    @Take INT = 25
+    WITH RECOMPILE
+AS
+BEGIN
+    SET NOCOUNT ON
+    DECLARE @NameLikeSearch NVARCHAR(55) = '%' + @Name + '%'
+
+    IF @UserEmail IS NOT NULL
+        BEGIN
+            SELECT
+                O.*
+            FROM
+                [dbo].[ProviderView] O
+                    INNER JOIN
+                [dbo].[ProviderUser] OU ON O.[Id] = OU.[ProviderId]
+                    INNER JOIN
+                [dbo].[User] U ON U.[Id] = OU.[UserId]
+            WHERE
+                (@Name IS NULL OR O.[Name] LIKE @NameLikeSearch)
+              AND U.[Email] = COALESCE(@UserEmail, U.[Email])
+            ORDER BY O.[CreationDate] DESC
+            OFFSET @Skip ROWS
+                FETCH NEXT @Take ROWS ONLY
+        END
+    ELSE
+        BEGIN
+            SELECT
+                O.*
+            FROM
+                [dbo].[ProviderView] O
+            WHERE
+                (@Name IS NULL OR O.[Name] LIKE @NameLikeSearch)
+            ORDER BY O.[CreationDate] DESC
+            OFFSET @Skip ROWS
+                FETCH NEXT @Take ROWS ONLY
+        END
+END
+GO