chore(packages/graphql): add script to compute missing instance statistics

Author: sjschlapbach

…ad_cache_data_past_assessment_quizzes.ts …ad_cache_data_past_assessment_quizzes.tspackages/graphql/src/scripts/2025-09-19_load_cache_data_past_assessment_quizzes.ts renamed to packages/graphql/src/scripts/2025-09-17_load_cache_data_past_assessment_quizzes.ts packages/graphql/src/scripts/2025-09-19_load_cache_data_past_assessment_quizzes.ts renamed to packages/graphql/src/scripts/2025-09-17_load_cache_data_past_assessment_quizzes.ts

@@ -0,0 +1,58 @@
+import { PrismaClient } from '@klicker-uzh/prisma/client'
+import { getInitialInstanceStatistics } from '@klicker-uzh/util'
+import { PrismaPg } from '@prisma/adapter-pg'
+
+// ! IMPORTANT INFORMATION
+// Find all element instances that do not have instance statistics assigned yet to make them properly required
+
+const DRY_RUN = false
+
+async function run() {
+  const adapter = new PrismaPg({ connectionString: process.env.DATABASE_URL })
+  const prisma = new PrismaClient({ adapter })
+
+  // find all element instances that do not have instance statistics assigned yet
+  const instancesWithoutStatistics = await prisma.elementInstance.count({
+    where: { instanceStatistics: null },
+  })
+  console.log('Found instances without statistics:', instancesWithoutStatistics)
+
+  if (DRY_RUN) {
+    console.log('DRY RUN is enabled, not making any changes. Exiting now...')
+    return
+  }
+
+  // loop over the instances in batches of 100 and add instance statistics to the ones with missing ones
+  const batchSize = 100
+  for (let i = 0; i < instancesWithoutStatistics; i += batchSize) {
+    const instances = await prisma.elementInstance.findMany({
+      where: { instanceStatistics: null },
+      orderBy: { id: 'desc' },
+      take: batchSize,
+    })
+
+    console.log(`Processing batch ${i / batchSize + 1}...`)
+
+    for (const instance of instances) {
+      await prisma.elementInstance.update({
+        where: { id: instance.id, instanceStatistics: null },
+        data: {
+          instanceStatistics: {
+            create: getInitialInstanceStatistics(instance.type),
+          },
+        },
+      })
+
+      console.log(
+        `Added instance statistics for element instance with ID ${instance.id}`
+      )
+    }
+  }
+
+  console.log('Done adding missing instance statistics.')
+
+  // return / exit the process
+  return process.exit(0)
+}
+
+await run()

…ve_cache_data_past_assessment_quizzes.ts …ve_cache_data_past_assessment_quizzes.tspackages/graphql/src/scripts/2025-09-19_remove_cache_data_past_assessment_quizzes.ts renamed to packages/graphql/src/scripts/2025-09-17_remove_cache_data_past_assessment_quizzes.ts packages/graphql/src/scripts/2025-09-19_remove_cache_data_past_assessment_quizzes.ts renamed to packages/graphql/src/scripts/2025-09-17_remove_cache_data_past_assessment_quizzes.ts

@@ -9,6 +9,7 @@ import {
 } from '@klicker-uzh/prisma/client'
 import {
   getInitialInstanceResults,
+  getInitialInstanceStatistics,
   processElementData,
   recomputeDerivedPermissions,
 } from '@klicker-uzh/util'
@@ -58,6 +59,11 @@ async function seedFlashcardSet(
                     anonymousResults: initialResults,
                     ownerId: el.ownerId,
                     elementId: el.id,
+                    instanceStatistics: {
+                      create: getInitialInstanceStatistics(
+                        ElementInstanceType.PRACTICE_QUIZ
+                      ),
+                    },
                   },
                 ],
               },