commit 7098ddfd30106fbea83e7f10f2818d308ff342e8 · bretton.dev/coves

+172

internal/db/postgres/community_repo_blocks.go

···

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       package postgres

     

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       import (

     

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       	"Coves/internal/core/communities"

     

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       	"context"

     

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       	"database/sql"

     

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       	"fmt"

     

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       )

     

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       // BlockCommunity creates a new block record (idempotent)

     

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       func (r *postgresCommunityRepo) BlockCommunity(ctx context.Context, block *communities.CommunityBlock) (*communities.CommunityBlock, error) {

     

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       	query := `

     

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       		INSERT INTO community_blocks (user_did, community_did, blocked_at, record_uri, record_cid)

     

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       		VALUES ($1, $2, $3, $4, $5)

     

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       		ON CONFLICT (user_did, community_did) DO UPDATE SET

     

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       			record_uri = EXCLUDED.record_uri,

     

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       			record_cid = EXCLUDED.record_cid,

     

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       			blocked_at = EXCLUDED.blocked_at

     

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       		RETURNING id, blocked_at`

     

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       	err := r.db.QueryRowContext(ctx, query,

     

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       		block.UserDID,

     

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       		block.CommunityDID,

     

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       		block.BlockedAt,

     

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       		block.RecordURI,

     

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       		block.RecordCID,

     

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       	).Scan(&block.ID, &block.BlockedAt)

     

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       	if err != nil {

     

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       		return nil, fmt.Errorf("failed to create block: %w", err)

     

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       	}

     

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       	return block, nil

     

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       }

     

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       // UnblockCommunity removes a block record

     

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       func (r *postgresCommunityRepo) UnblockCommunity(ctx context.Context, userDID, communityDID string) error {

     

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       	query := `DELETE FROM community_blocks WHERE user_did = $1 AND community_did = $2`

     

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       	result, err := r.db.ExecContext(ctx, query, userDID, communityDID)

     

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       	if err != nil {

     

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       		return fmt.Errorf("failed to unblock community: %w", err)

     

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       	}

     

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       	rowsAffected, err := result.RowsAffected()

     

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       	if err != nil {

     

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

     

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       	}

     

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       	if rowsAffected == 0 {

     

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       		return communities.ErrBlockNotFound

     

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       	}

     

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       	return nil

     

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       }

     

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       // GetBlock retrieves a block record by user DID and community DID

     

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       func (r *postgresCommunityRepo) GetBlock(ctx context.Context, userDID, communityDID string) (*communities.CommunityBlock, error) {

     

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       	query := `

     

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       		SELECT id, user_did, community_did, blocked_at, record_uri, record_cid

     

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       		FROM community_blocks

     

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       		WHERE user_did = $1 AND community_did = $2`

     

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       	var block communities.CommunityBlock

     

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       	err := r.db.QueryRowContext(ctx, query, userDID, communityDID).Scan(

     

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       		&block.ID,

     

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       		&block.UserDID,

     

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       		&block.CommunityDID,

     

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       		&block.BlockedAt,

     

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       		&block.RecordURI,

     

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       		&block.RecordCID,

     

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       	)

     

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       	if err != nil {

     

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       		if err == sql.ErrNoRows {

     

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       			return nil, communities.ErrBlockNotFound

     

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       		}

     

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       		return nil, fmt.Errorf("failed to get block: %w", err)

     

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       	}

     

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       	return &block, nil

     

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       }

     

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       // GetBlockByURI retrieves a block record by its AT-URI (for Jetstream DELETE operations)

     

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       func (r *postgresCommunityRepo) GetBlockByURI(ctx context.Context, recordURI string) (*communities.CommunityBlock, error) {

     

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       	query := `

     

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       		SELECT id, user_did, community_did, blocked_at, record_uri, record_cid

     

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       		FROM community_blocks

     

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       		WHERE record_uri = $1`

     

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       	var block communities.CommunityBlock

     

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       	err := r.db.QueryRowContext(ctx, query, recordURI).Scan(

     

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       		&block.ID,

     

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       		&block.UserDID,

     

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       		&block.CommunityDID,

     

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       		&block.BlockedAt,

     

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       		&block.RecordURI,

     

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       		&block.RecordCID,

     

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       	)

     

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       	if err != nil {

     

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       		if err == sql.ErrNoRows {

     

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       			return nil, communities.ErrBlockNotFound

     

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       		}

     

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       		return nil, fmt.Errorf("failed to get block by URI: %w", err)

     

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       	}

     

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       	return &block, nil

     

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       }

     

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       // ListBlockedCommunities retrieves all communities blocked by a user

     

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       func (r *postgresCommunityRepo) ListBlockedCommunities(ctx context.Context, userDID string, limit, offset int) ([]*communities.CommunityBlock, error) {

     

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       	query := `

     

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       		SELECT id, user_did, community_did, blocked_at, record_uri, record_cid

     

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       		FROM community_blocks

     

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       		WHERE user_did = $1

     

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       		ORDER BY blocked_at DESC

     

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       		LIMIT $2 OFFSET $3`

     

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       	rows, err := r.db.QueryContext(ctx, query, userDID, limit, offset)

     

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       	if err != nil {

     

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       		return nil, fmt.Errorf("failed to list blocked communities: %w", err)

     

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       	}

     

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       	defer func() {

     

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       		if closeErr := rows.Close(); closeErr != nil {

     

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       			// Log error but don't override the main error

     

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       			fmt.Printf("Failed to close rows: %v\n", closeErr)

     

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       		}

     

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       	}()

     

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       	var blocks []*communities.CommunityBlock

     

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       	for rows.Next() {

     

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       		var block communities.CommunityBlock

     

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       		err = rows.Scan(

     

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       			&block.ID,

     

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       			&block.UserDID,

     

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       			&block.CommunityDID,

     

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       			&block.BlockedAt,

     

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       			&block.RecordURI,

     

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       			&block.RecordCID,

     

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       		)

     

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       		if err != nil {

     

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       			return nil, fmt.Errorf("failed to scan block: %w", err)

     

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       		}

     

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       		blocks = append(blocks, &block)

     

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       	}

     

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       	if err = rows.Err(); err != nil {

     

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       		return nil, fmt.Errorf("error iterating blocks: %w", err)

     

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       	}

     

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       	return blocks, nil

     

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       }

     

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       // IsBlocked checks if a user has blocked a specific community (fast EXISTS check)

     

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       func (r *postgresCommunityRepo) IsBlocked(ctx context.Context, userDID, communityDID string) (bool, error) {

     

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       	query := `

     

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       		SELECT EXISTS(

     

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       			SELECT 1 FROM community_blocks

     

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       			WHERE user_did = $1 AND community_did = $2

     

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       		)`

     

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       	var exists bool

     

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       	err := r.db.QueryRowContext(ctx, query, userDID, communityDID).Scan(&exists)

     

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       	if err != nil {

     

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       		return false, fmt.Errorf("failed to check if blocked: %w", err)

     

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       	}

     

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       	return exists, nil

     

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       }

     

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