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| 1 | +import { randomUUID } from 'crypto' |
| 2 | +import { and, eq, isNotNull } from 'drizzle-orm' |
| 3 | +import { type NextRequest, NextResponse } from 'next/server' |
| 4 | +import { getSession } from '@/lib/auth' |
| 5 | +import { createLogger } from '@/lib/logs/console/logger' |
| 6 | +import { checkKnowledgeBaseAccess } from '@/app/api/knowledge/utils' |
| 7 | +import { db } from '@/db' |
| 8 | +import { document, embedding, knowledgeBaseTagDefinitions } from '@/db/schema' |
| 9 | + |
| 10 | +export const dynamic = 'force-dynamic' |
| 11 | + |
| 12 | +const logger = createLogger('TagDefinitionAPI') |
| 13 | + |
| 14 | +// DELETE /api/knowledge/[id]/tag-definitions/[tagId] - Delete a tag definition |
| 15 | +export async function DELETE( |
| 16 | + req: NextRequest, |
| 17 | + { params }: { params: Promise<{ id: string; tagId: string }> } |
| 18 | +) { |
| 19 | + const requestId = randomUUID().slice(0, 8) |
| 20 | + const { id: knowledgeBaseId, tagId } = await params |
| 21 | + |
| 22 | + try { |
| 23 | + logger.info( |
| 24 | + `[${requestId}] Deleting tag definition ${tagId} from knowledge base ${knowledgeBaseId}` |
| 25 | + ) |
| 26 | + |
| 27 | + const session = await getSession() |
| 28 | + if (!session?.user?.id) { |
| 29 | + return NextResponse.json({ error: 'Unauthorized' }, { status: 401 }) |
| 30 | + } |
| 31 | + |
| 32 | + // Check if user has access to the knowledge base |
| 33 | + const accessCheck = await checkKnowledgeBaseAccess(knowledgeBaseId, session.user.id) |
| 34 | + if (!accessCheck.hasAccess) { |
| 35 | + return NextResponse.json({ error: 'Forbidden' }, { status: 403 }) |
| 36 | + } |
| 37 | + |
| 38 | + // Get the tag definition to find which slot it uses |
| 39 | + const tagDefinition = await db |
| 40 | + .select({ |
| 41 | + id: knowledgeBaseTagDefinitions.id, |
| 42 | + tagSlot: knowledgeBaseTagDefinitions.tagSlot, |
| 43 | + displayName: knowledgeBaseTagDefinitions.displayName, |
| 44 | + }) |
| 45 | + .from(knowledgeBaseTagDefinitions) |
| 46 | + .where( |
| 47 | + and( |
| 48 | + eq(knowledgeBaseTagDefinitions.id, tagId), |
| 49 | + eq(knowledgeBaseTagDefinitions.knowledgeBaseId, knowledgeBaseId) |
| 50 | + ) |
| 51 | + ) |
| 52 | + .limit(1) |
| 53 | + |
| 54 | + if (tagDefinition.length === 0) { |
| 55 | + return NextResponse.json({ error: 'Tag definition not found' }, { status: 404 }) |
| 56 | + } |
| 57 | + |
| 58 | + const tagDef = tagDefinition[0] |
| 59 | + |
| 60 | + // Delete the tag definition and clear all document tags in a transaction |
| 61 | + await db.transaction(async (tx) => { |
| 62 | + logger.info(`[${requestId}] Starting transaction to delete ${tagDef.tagSlot}`) |
| 63 | + |
| 64 | + try { |
| 65 | + // Clear the tag from documents that actually have this tag set |
| 66 | + logger.info(`[${requestId}] Clearing tag from documents...`) |
| 67 | + await tx |
| 68 | + .update(document) |
| 69 | + .set({ [tagDef.tagSlot]: null }) |
| 70 | + .where( |
| 71 | + and( |
| 72 | + eq(document.knowledgeBaseId, knowledgeBaseId), |
| 73 | + isNotNull(document[tagDef.tagSlot as keyof typeof document.$inferSelect]) |
| 74 | + ) |
| 75 | + ) |
| 76 | + |
| 77 | + logger.info(`[${requestId}] Documents updated successfully`) |
| 78 | + |
| 79 | + // Clear the tag from embeddings that actually have this tag set |
| 80 | + logger.info(`[${requestId}] Clearing tag from embeddings...`) |
| 81 | + await tx |
| 82 | + .update(embedding) |
| 83 | + .set({ [tagDef.tagSlot]: null }) |
| 84 | + .where( |
| 85 | + and( |
| 86 | + eq(embedding.knowledgeBaseId, knowledgeBaseId), |
| 87 | + isNotNull(embedding[tagDef.tagSlot as keyof typeof embedding.$inferSelect]) |
| 88 | + ) |
| 89 | + ) |
| 90 | + |
| 91 | + logger.info(`[${requestId}] Embeddings updated successfully`) |
| 92 | + |
| 93 | + // Delete the tag definition |
| 94 | + logger.info(`[${requestId}] Deleting tag definition...`) |
| 95 | + await tx |
| 96 | + .delete(knowledgeBaseTagDefinitions) |
| 97 | + .where(eq(knowledgeBaseTagDefinitions.id, tagId)) |
| 98 | + |
| 99 | + logger.info(`[${requestId}] Tag definition deleted successfully`) |
| 100 | + } catch (error) { |
| 101 | + logger.error(`[${requestId}] Error in transaction:`, error) |
| 102 | + throw error |
| 103 | + } |
| 104 | + }) |
| 105 | + |
| 106 | + logger.info( |
| 107 | + `[${requestId}] Successfully deleted tag definition ${tagDef.displayName} (${tagDef.tagSlot})` |
| 108 | + ) |
| 109 | + |
| 110 | + return NextResponse.json({ |
| 111 | + success: true, |
| 112 | + message: `Tag definition "${tagDef.displayName}" deleted successfully`, |
| 113 | + }) |
| 114 | + } catch (error) { |
| 115 | + logger.error(`[${requestId}] Error deleting tag definition`, error) |
| 116 | + return NextResponse.json({ error: 'Failed to delete tag definition' }, { status: 500 }) |
| 117 | + } |
| 118 | +} |
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