commit 3112108faceea382c4452d540d7b232f74d8a9b4 · bretton.dev/coves

+69 -58

internal/atproto/jetstream/comment_consumer.go

···

       1
        
       package jetstream

     

       2
        
       

     

       3
        
       import (

     

       0
        
       
     

       4
        
       	"Coves/internal/core/comments"

     

       5
        
       	"context"

     

       6
        
       	"database/sql"

     
···

       356
        
       

     

       357
        
       	// 2. Update parent counts atomically

     

       358
        
       	// Parent could be a post (increment comment_count) or a comment (increment reply_count)

     

       359
       -
       	// Try posts table first

     

       360
        
       	//

     

       361
        
       	// FIXME(P1): Post comment_count reconciliation not implemented

     

       362
        
       	// When a comment arrives before its parent post (common with cross-repo Jetstream ordering),

     
···

       369
        
       	// matches the post URI and set comment_count accordingly.

     

       370
        
       	//

     

       371
        
       	// Test demonstrating issue: TestCommentConsumer_PostCountReconciliation_Limitation

     

       372
       -
       	updatePostQuery := `

     

       373
       -
       		UPDATE posts

     

       374
       -
       		SET comment_count = comment_count + 1

     

       375
       -
       		WHERE uri = $1 AND deleted_at IS NULL

     

       376
       -
       	`

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       377
        
       

     

       378
       -
       	result, err := tx.ExecContext(ctx, updatePostQuery, comment.ParentURI)

     

       379
        
       	if err != nil {

     

       380
       -
       		return fmt.Errorf("failed to update post comment count: %w", err)

     

       381
        
       	}

     

       382
        
       

     

       383
        
       	rowsAffected, err := result.RowsAffected()

     
···

       385
        
       		return fmt.Errorf("failed to check update result: %w", err)

     

       386
        
       	}

     

       387
        
       

     

       388
       -
       	// If no post was updated, parent is probably a comment

     

       389
        
       	if rowsAffected == 0 {

     

       390
       -
       		updateCommentQuery := `

     

       391
       -
       			UPDATE comments

     

       392
       -
       			SET reply_count = reply_count + 1

     

       393
       -
       			WHERE uri = $1 AND deleted_at IS NULL

     

       394
       -
       		`

     

       395
       -
       

     

       396
       -
       		result, err := tx.ExecContext(ctx, updateCommentQuery, comment.ParentURI)

     

       397
       -
       		if err != nil {

     

       398
       -
       			return fmt.Errorf("failed to update comment reply count: %w", err)

     

       399
       -
       		}

     

       400
       -
       

     

       401
       -
       		rowsAffected, err := result.RowsAffected()

     

       402
       -
       		if err != nil {

     

       403
       -
       			return fmt.Errorf("failed to check update result: %w", err)

     

       404
       -
       		}

     

       405
       -
       

     

       406
       -
       		// If neither post nor comment was found, that's OK (parent might not be indexed yet)

     

       407
       -
       		if rowsAffected == 0 {

     

       408
       -
       			log.Printf("Warning: Parent not found or deleted: %s (comment indexed anyway)", comment.ParentURI)

     

       409
       -
       		}

     

       410
        
       	}

     

       411
        
       

     

       412
        
       	// Commit transaction

     
···

       456
        
       	}

     

       457
        
       

     

       458
        
       	// 2. Decrement parent counts atomically

     

       459
       -
       	// Parent could be a post or comment - try both (use GREATEST to prevent negative)

     

       460
       -
       	updatePostQuery := `

     

       461
       -
       		UPDATE posts

     

       462
       -
       		SET comment_count = GREATEST(0, comment_count - 1)

     

       463
       -
       		WHERE uri = $1 AND deleted_at IS NULL

     

       464
       -
       	`

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       465
        
       

     

       466
       -
       	result, err = tx.ExecContext(ctx, updatePostQuery, comment.ParentURI)

     

       467
        
       	if err != nil {

     

       468
       -
       		return fmt.Errorf("failed to update post comment count: %w", err)

     

       469
        
       	}

     

       470
        
       

     

       471
        
       	rowsAffected, err = result.RowsAffected()

     
···

       473
        
       		return fmt.Errorf("failed to check update result: %w", err)

     

       474
        
       	}

     

       475
        
       

     

       476
       -
       	// If no post was updated, parent is probably a comment

     

       477
        
       	if rowsAffected == 0 {

     

       478
       -
       		updateCommentQuery := `

     

       479
       -
       			UPDATE comments

     

       480
       -
       			SET reply_count = GREATEST(0, reply_count - 1)

     

       481
       -
       			WHERE uri = $1 AND deleted_at IS NULL

     

       482
       -
       		`

     

       483
       -
       

     

       484
       -
       		result, err := tx.ExecContext(ctx, updateCommentQuery, comment.ParentURI)

     

       485
       -
       		if err != nil {

     

       486
       -
       			return fmt.Errorf("failed to update comment reply count: %w", err)

     

       487
       -
       		}

     

       488
       -
       

     

       489
       -
       		rowsAffected, err := result.RowsAffected()

     

       490
       -
       		if err != nil {

     

       491
       -
       			return fmt.Errorf("failed to check update result: %w", err)

     

       492
       -
       		}

     

       493
       -
       

     

       494
       -
       		// If neither was found, that's OK (parent might be deleted)

     

       495
       -
       		if rowsAffected == 0 {

     

       496
       -
       			log.Printf("Warning: Parent not found or deleted: %s (comment deleted anyway)", comment.ParentURI)

     

       497
       -
       		}

     

       498
        
       	}

     

       499
        
       

     

       500
        
       	// Commit transaction

···

       1
        
       package jetstream

     

       2
        
       

     

       3
        
       import (

     

       4
       +
       	"Coves/internal/atproto/utils"

     

       5
        
       	"Coves/internal/core/comments"

     

       6
        
       	"context"

     

       7
        
       	"database/sql"

     
···

       357
        
       

     

       358
        
       	// 2. Update parent counts atomically

     

       359
        
       	// Parent could be a post (increment comment_count) or a comment (increment reply_count)

     

       360
       +
       	// Parse collection from parent URI to determine target table

     

       361
        
       	//

     

       362
        
       	// FIXME(P1): Post comment_count reconciliation not implemented

     

       363
        
       	// When a comment arrives before its parent post (common with cross-repo Jetstream ordering),

     
···

       370
        
       	// matches the post URI and set comment_count accordingly.

     

       371
        
       	//

     

       372
        
       	// Test demonstrating issue: TestCommentConsumer_PostCountReconciliation_Limitation

     

       373
       +
       	collection := utils.ExtractCollectionFromURI(comment.ParentURI)

     

       374
       +
       

     

       375
       +
       	var updateQuery string

     

       376
       +
       	switch collection {

     

       377
       +
       	case "social.coves.community.post":

     

       378
       +
       		// Comment on post - update posts.comment_count

     

       379
       +
       		updateQuery = `

     

       380
       +
       			UPDATE posts

     

       381
       +
       			SET comment_count = comment_count + 1

     

       382
       +
       			WHERE uri = $1 AND deleted_at IS NULL

     

       383
       +
       		`

     

       384
       +
       

     

       385
       +
       	case "social.coves.feed.comment":

     

       386
       +
       		// Reply to comment - update comments.reply_count

     

       387
       +
       		updateQuery = `

     

       388
       +
       			UPDATE comments

     

       389
       +
       			SET reply_count = reply_count + 1

     

       390
       +
       			WHERE uri = $1 AND deleted_at IS NULL

     

       391
       +
       		`

     

       392
       +
       

     

       393
       +
       	default:

     

       394
       +
       		// Unknown or unsupported parent collection

     

       395
       +
       		// Comment is still indexed, we just don't update parent counts

     

       396
       +
       		log.Printf("Comment parent has unsupported collection: %s (comment indexed, parent count not updated)", collection)

     

       397
       +
       		if commitErr := tx.Commit(); commitErr != nil {

     

       398
       +
       			return fmt.Errorf("failed to commit transaction: %w", commitErr)

     

       399
       +
       		}

     

       400
       +
       		return nil

     

       401
       +
       	}

     

       402
        
       

     

       403
       +
       	result, err := tx.ExecContext(ctx, updateQuery, comment.ParentURI)

     

       404
        
       	if err != nil {

     

       405
       +
       		return fmt.Errorf("failed to update parent count: %w", err)

     

       406
        
       	}

     

       407
        
       

     

       408
        
       	rowsAffected, err := result.RowsAffected()

     
···

       410
        
       		return fmt.Errorf("failed to check update result: %w", err)

     

       411
        
       	}

     

       412
        
       

     

       413
       +
       	// If parent not found, that's OK (parent might not be indexed yet)

     

       414
        
       	if rowsAffected == 0 {

     

       415
       +
       		log.Printf("Warning: Parent not found or deleted: %s (comment indexed anyway)", comment.ParentURI)

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       416
        
       	}

     

       417
        
       

     

       418
        
       	// Commit transaction

     
···

       462
        
       	}

     

       463
        
       

     

       464
        
       	// 2. Decrement parent counts atomically

     

       465
       +
       	// Parent could be a post or comment - parse collection to determine target table

     

       466
       +
       	collection := utils.ExtractCollectionFromURI(comment.ParentURI)

     

       467
       +
       

     

       468
       +
       	var updateQuery string

     

       469
       +
       	switch collection {

     

       470
       +
       	case "social.coves.community.post":

     

       471
       +
       		// Comment on post - decrement posts.comment_count

     

       472
       +
       		updateQuery = `

     

       473
       +
       			UPDATE posts

     

       474
       +
       			SET comment_count = GREATEST(0, comment_count - 1)

     

       475
       +
       			WHERE uri = $1 AND deleted_at IS NULL

     

       476
       +
       		`

     

       477
       +
       

     

       478
       +
       	case "social.coves.feed.comment":

     

       479
       +
       		// Reply to comment - decrement comments.reply_count

     

       480
       +
       		updateQuery = `

     

       481
       +
       			UPDATE comments

     

       482
       +
       			SET reply_count = GREATEST(0, reply_count - 1)

     

       483
       +
       			WHERE uri = $1 AND deleted_at IS NULL

     

       484
       +
       		`

     

       485
       +
       

     

       486
       +
       	default:

     

       487
       +
       		// Unknown or unsupported parent collection

     

       488
       +
       		// Comment is still deleted, we just don't update parent counts

     

       489
       +
       		log.Printf("Comment parent has unsupported collection: %s (comment deleted, parent count not updated)", collection)

     

       490
       +
       		if commitErr := tx.Commit(); commitErr != nil {

     

       491
       +
       			return fmt.Errorf("failed to commit transaction: %w", commitErr)

     

       492
       +
       		}

     

       493
       +
       		return nil

     

       494
       +
       	}

     

       495
        
       

     

       496
       +
       	result, err = tx.ExecContext(ctx, updateQuery, comment.ParentURI)

     

       497
        
       	if err != nil {

     

       498
       +
       		return fmt.Errorf("failed to update parent count: %w", err)

     

       499
        
       	}

     

       500
        
       

     

       501
        
       	rowsAffected, err = result.RowsAffected()

     
···

       503
        
       		return fmt.Errorf("failed to check update result: %w", err)

     

       504
        
       	}

     

       505
        
       

     

       506
       +
       	// If parent not found, that's OK (parent might be deleted)

     

       507
        
       	if rowsAffected == 0 {

     

       508
       +
       		log.Printf("Warning: Parent not found or deleted: %s (comment deleted anyway)", comment.ParentURI)

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       509
        
       	}

     

       510
        
       

     

       511
        
       	// Commit transaction

+105 -41

internal/atproto/jetstream/vote_consumer.go

···

       1
        
       package jetstream

     

       2
        
       

     

       3
        
       import (

     

       0
        
       
     

       4
        
       	"Coves/internal/core/users"

     

       5
        
       	"Coves/internal/core/votes"

     

       6
        
       	"context"

     
···

       179
        
       		return fmt.Errorf("failed to insert vote: %w", err)

     

       180
        
       	}

     

       181
        
       

     

       182
       -
       	// 2. Update post vote counts atomically

     

       183
       -
       	// Increment upvote_count or downvote_count based on direction

     

       184
       -
       	// Also update score (upvote_count - downvote_count)

     

       0
        
       
     

       185
        
       	var updateQuery string

     

       186
       -
       	if vote.Direction == "up" {

     

       187
       -
       		updateQuery = `

     

       188
       -
       			UPDATE posts

     

       189
       -
       			SET upvote_count = upvote_count + 1,

     

       190
       -
       			    score = upvote_count + 1 - downvote_count

     

       191
       -
       			WHERE uri = $1 AND deleted_at IS NULL

     

       192
       -
       		`

     

       193
       -
       	} else { // "down"

     

       194
       -
       		updateQuery = `

     

       195
       -
       			UPDATE posts

     

       196
       -
       			SET downvote_count = downvote_count + 1,

     

       197
       -
       			    score = upvote_count - (downvote_count + 1)

     

       198
       -
       			WHERE uri = $1 AND deleted_at IS NULL

     

       199
       -
       		`

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       200
        
       	}

     

       201
        
       

     

       202
        
       	result, err := tx.ExecContext(ctx, updateQuery, vote.SubjectURI)

     

       203
        
       	if err != nil {

     

       204
       -
       		return fmt.Errorf("failed to update post counts: %w", err)

     

       205
        
       	}

     

       206
        
       

     

       207
        
       	rowsAffected, err := result.RowsAffected()

     
···

       209
        
       		return fmt.Errorf("failed to check update result: %w", err)

     

       210
        
       	}

     

       211
        
       

     

       212
       -
       	// If post doesn't exist or is deleted, that's OK (vote still indexed)

     

       213
       -
       	// Future: We could validate post exists before indexing vote

     

       214
        
       	if rowsAffected == 0 {

     

       215
       -
       		log.Printf("Warning: Post not found or deleted: %s (vote indexed anyway)", vote.SubjectURI)

     

       216
        
       	}

     

       217
        
       

     

       218
        
       	// Commit transaction

     
···

       261
        
       		return nil

     

       262
        
       	}

     

       263
        
       

     

       264
       -
       	// 2. Decrement post vote counts atomically

     

       265
       -
       	// Decrement upvote_count or downvote_count based on direction

     

       266
       -
       	// Also update score (use GREATEST to prevent negative counts)

     

       0
        
       
     

       267
        
       	var updateQuery string

     

       268
       -
       	if vote.Direction == "up" {

     

       269
       -
       		updateQuery = `

     

       270
       -
       			UPDATE posts

     

       271
       -
       			SET upvote_count = GREATEST(0, upvote_count - 1),

     

       272
       -
       			    score = GREATEST(0, upvote_count - 1) - downvote_count

     

       273
       -
       			WHERE uri = $1 AND deleted_at IS NULL

     

       274
       -
       		`

     

       275
       -
       	} else { // "down"

     

       276
       -
       		updateQuery = `

     

       277
       -
       			UPDATE posts

     

       278
       -
       			SET downvote_count = GREATEST(0, downvote_count - 1),

     

       279
       -
       			    score = upvote_count - GREATEST(0, downvote_count - 1)

     

       280
       -
       			WHERE uri = $1 AND deleted_at IS NULL

     

       281
       -
       		`

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       282
        
       	}

     

       283
        
       

     

       284
        
       	result, err = tx.ExecContext(ctx, updateQuery, vote.SubjectURI)

     

       285
        
       	if err != nil {

     

       286
       -
       		return fmt.Errorf("failed to update post counts: %w", err)

     

       287
        
       	}

     

       288
        
       

     

       289
        
       	rowsAffected, err = result.RowsAffected()

     
···

       291
        
       		return fmt.Errorf("failed to check update result: %w", err)

     

       292
        
       	}

     

       293
        
       

     

       294
       -
       	// If post doesn't exist or is deleted, that's OK (vote still deleted)

     

       295
        
       	if rowsAffected == 0 {

     

       296
       -
       		log.Printf("Warning: Post not found or deleted: %s (vote deleted anyway)", vote.SubjectURI)

     

       297
        
       	}

     

       298
        
       

     

       299
        
       	// Commit transaction

···

       1
        
       package jetstream

     

       2
        
       

     

       3
        
       import (

     

       4
       +
       	"Coves/internal/atproto/utils"

     

       5
        
       	"Coves/internal/core/users"

     

       6
        
       	"Coves/internal/core/votes"

     

       7
        
       	"context"

     
···

       180
        
       		return fmt.Errorf("failed to insert vote: %w", err)

     

       181
        
       	}

     

       182
        
       

     

       183
       +
       	// 2. Update vote counts on the subject (post or comment)

     

       184
       +
       	// Parse collection from subject URI to determine target table

     

       185
       +
       	collection := utils.ExtractCollectionFromURI(vote.SubjectURI)

     

       186
       +
       

     

       187
        
       	var updateQuery string

     

       188
       +
       	switch collection {

     

       189
       +
       	case "social.coves.community.post":

     

       190
       +
       		// Vote on post - update posts table

     

       191
       +
       		if vote.Direction == "up" {

     

       192
       +
       			updateQuery = `

     

       193
       +
       				UPDATE posts

     

       194
       +
       				SET upvote_count = upvote_count + 1,

     

       195
       +
       				    score = upvote_count + 1 - downvote_count

     

       196
       +
       				WHERE uri = $1 AND deleted_at IS NULL

     

       197
       +
       			`

     

       198
       +
       		} else { // "down"

     

       199
       +
       			updateQuery = `

     

       200
       +
       				UPDATE posts

     

       201
       +
       				SET downvote_count = downvote_count + 1,

     

       202
       +
       				    score = upvote_count - (downvote_count + 1)

     

       203
       +
       				WHERE uri = $1 AND deleted_at IS NULL

     

       204
       +
       			`

     

       205
       +
       		}

     

       206
       +
       

     

       207
       +
       	case "social.coves.feed.comment":

     

       208
       +
       		// Vote on comment - update comments table

     

       209
       +
       		if vote.Direction == "up" {

     

       210
       +
       			updateQuery = `

     

       211
       +
       				UPDATE comments

     

       212
       +
       				SET upvote_count = upvote_count + 1,

     

       213
       +
       				    score = upvote_count + 1 - downvote_count

     

       214
       +
       				WHERE uri = $1 AND deleted_at IS NULL

     

       215
       +
       			`

     

       216
       +
       		} else { // "down"

     

       217
       +
       			updateQuery = `

     

       218
       +
       				UPDATE comments

     

       219
       +
       				SET downvote_count = downvote_count + 1,

     

       220
       +
       				    score = upvote_count - (downvote_count + 1)

     

       221
       +
       				WHERE uri = $1 AND deleted_at IS NULL

     

       222
       +
       			`

     

       223
       +
       		}

     

       224
       +
       

     

       225
       +
       	default:

     

       226
       +
       		// Unknown or unsupported collection

     

       227
       +
       		// Vote is still indexed in votes table, we just don't update denormalized counts

     

       228
       +
       		log.Printf("Vote subject has unsupported collection: %s (vote indexed, counts not updated)", collection)

     

       229
       +
       		if commitErr := tx.Commit(); commitErr != nil {

     

       230
       +
       			return fmt.Errorf("failed to commit transaction: %w", commitErr)

     

       231
       +
       		}

     

       232
       +
       		return nil

     

       233
        
       	}

     

       234
        
       

     

       235
        
       	result, err := tx.ExecContext(ctx, updateQuery, vote.SubjectURI)

     

       236
        
       	if err != nil {

     

       237
       +
       		return fmt.Errorf("failed to update vote counts: %w", err)

     

       238
        
       	}

     

       239
        
       

     

       240
        
       	rowsAffected, err := result.RowsAffected()

     
···

       242
        
       		return fmt.Errorf("failed to check update result: %w", err)

     

       243
        
       	}

     

       244
        
       

     

       245
       +
       	// If subject doesn't exist or is deleted, that's OK (vote still indexed)

     

       0
        
       
     

       246
        
       	if rowsAffected == 0 {

     

       247
       +
       		log.Printf("Warning: Vote subject not found or deleted: %s (vote indexed anyway)", vote.SubjectURI)

     

       248
        
       	}

     

       249
        
       

     

       250
        
       	// Commit transaction

     
···

       293
        
       		return nil

     

       294
        
       	}

     

       295
        
       

     

       296
       +
       	// 2. Decrement vote counts on the subject (post or comment)

     

       297
       +
       	// Parse collection from subject URI to determine target table

     

       298
       +
       	collection := utils.ExtractCollectionFromURI(vote.SubjectURI)

     

       299
       +
       

     

       300
        
       	var updateQuery string

     

       301
       +
       	switch collection {

     

       302
       +
       	case "social.coves.community.post":

     

       303
       +
       		// Vote on post - update posts table

     

       304
       +
       		if vote.Direction == "up" {

     

       305
       +
       			updateQuery = `

     

       306
       +
       				UPDATE posts

     

       307
       +
       				SET upvote_count = GREATEST(0, upvote_count - 1),

     

       308
       +
       				    score = GREATEST(0, upvote_count - 1) - downvote_count

     

       309
       +
       				WHERE uri = $1 AND deleted_at IS NULL

     

       310
       +
       			`

     

       311
       +
       		} else { // "down"

     

       312
       +
       			updateQuery = `

     

       313
       +
       				UPDATE posts

     

       314
       +
       				SET downvote_count = GREATEST(0, downvote_count - 1),

     

       315
       +
       				    score = upvote_count - GREATEST(0, downvote_count - 1)

     

       316
       +
       				WHERE uri = $1 AND deleted_at IS NULL

     

       317
       +
       			`

     

       318
       +
       		}

     

       319
       +
       

     

       320
       +
       	case "social.coves.feed.comment":

     

       321
       +
       		// Vote on comment - update comments table

     

       322
       +
       		if vote.Direction == "up" {

     

       323
       +
       			updateQuery = `

     

       324
       +
       				UPDATE comments

     

       325
       +
       				SET upvote_count = GREATEST(0, upvote_count - 1),

     

       326
       +
       				    score = GREATEST(0, upvote_count - 1) - downvote_count

     

       327
       +
       				WHERE uri = $1 AND deleted_at IS NULL

     

       328
       +
       			`

     

       329
       +
       		} else { // "down"

     

       330
       +
       			updateQuery = `

     

       331
       +
       				UPDATE comments

     

       332
       +
       				SET downvote_count = GREATEST(0, downvote_count - 1),

     

       333
       +
       				    score = upvote_count - GREATEST(0, downvote_count - 1)

     

       334
       +
       				WHERE uri = $1 AND deleted_at IS NULL

     

       335
       +
       			`

     

       336
       +
       		}

     

       337
       +
       

     

       338
       +
       	default:

     

       339
       +
       		// Unknown or unsupported collection

     

       340
       +
       		// Vote is still deleted, we just don't update denormalized counts

     

       341
       +
       		log.Printf("Vote subject has unsupported collection: %s (vote deleted, counts not updated)", collection)

     

       342
       +
       		if commitErr := tx.Commit(); commitErr != nil {

     

       343
       +
       			return fmt.Errorf("failed to commit transaction: %w", commitErr)

     

       344
       +
       		}

     

       345
       +
       		return nil

     

       346
        
       	}

     

       347
        
       

     

       348
        
       	result, err = tx.ExecContext(ctx, updateQuery, vote.SubjectURI)

     

       349
        
       	if err != nil {

     

       350
       +
       		return fmt.Errorf("failed to update vote counts: %w", err)

     

       351
        
       	}

     

       352
        
       

     

       353
        
       	rowsAffected, err = result.RowsAffected()

     
···

       355
        
       		return fmt.Errorf("failed to check update result: %w", err)

     

       356
        
       	}

     

       357
        
       

     

       358
       +
       	// If subject doesn't exist or is deleted, that's OK (vote still deleted)

     

       359
        
       	if rowsAffected == 0 {

     

       360
       +
       		log.Printf("Warning: Vote subject not found or deleted: %s (vote deleted anyway)", vote.SubjectURI)

     

       361
        
       	}

     

       362
        
       

     

       363
        
       	// Commit transaction