add entity viewer

frontend/src/pages/entity-record-viewer.vue

@@ -0,0 +1,86 @@
+<script lang="ts" setup>
+  import { computed, onMounted, ref } from 'vue'
+  import { useRoute, useRouter } from 'vue-router'
+  import { auth } from '@/auth'
+
+  interface Field {
+    id: number
+    name: string
+    identifier: string
+    type: string
+  }
+  interface EntityRecord {
+    entity: { id: number, name: string, fields: Field[] }
+    values: Record<string, unknown>
+  }
+
+  const route = useRoute()
+  const router = useRouter()
+  const record = ref<EntityRecord>()
+  const loading = ref(true)
+  const errorMessage = ref('')
+  const userFilePath = computed(() => `/users/${route.params.userId}`)
+
+  function displayValue (value: unknown) {
+    if ([null, undefined, ''].includes(value as null | undefined | string)) return '—'
+    if (typeof value === 'boolean') return value ? 'Yes' : 'No'
+    return String(value)
+  }
+
+  onMounted(async () => {
+    try {
+      const response = await fetch(
+        `/api/users/${route.params.userId}/entities/${route.params.entityId}/records/${route.params.recordId}`,
+        { headers: { Authorization: `Bearer ${auth.token}` } },
+      )
+      if (response.status === 404) {
+        await router.replace(userFilePath.value)
+        return
+      }
+      if (!response.ok) throw new Error('Record request failed')
+      record.value = await response.json() as EntityRecord
+    } catch {
+      errorMessage.value = 'Unable to load this record.'
+    } finally {
+      loading.value = false
+    }
+  })
+</script>
+
+<template>
+  <section class="viewer-page">
+    <router-link class="back-link" :to="userFilePath">← Back to user file</router-link>
+    <p v-if="loading">Loading record…</p>
+    <p v-else-if="errorMessage" role="alert">{{ errorMessage }}</p>
+
+    <template v-else-if="record">
+      <header>
+        <p class="eyebrow">Record viewer</p>
+        <h1>{{ record.entity.name }} #{{ record.values.id }}</h1>
+      </header>
+
+      <dl class="record-card">
+        <div><dt>ID</dt><dd>{{ displayValue(record.values.id) }}</dd></div>
+
+        <div v-for="field in record.entity.fields" :key="field.id">
+          <dt>{{ field.name }}</dt>
+          <dd>{{ displayValue(record.values[field.identifier]) }}</dd>
+        </div>
+      </dl>
+    </template>
+  </section>
+</template>
+
+<style scoped>
+  .viewer-page { width: 100%; max-width: 60rem; }
+  .back-link { color: var(--v0-primary); font-weight: 700; text-decoration: none; }
+  .back-link:hover { text-decoration: underline; }
+  header { margin: 1.5rem 0 2rem; }
+  .eyebrow { margin: 0 0 0.5rem; color: var(--v0-primary); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
+  h1 { margin: 0; font-size: 2rem; letter-spacing: -0.04em; }
+  .record-card { overflow: hidden; margin: 0; border: 1px solid var(--v0-divider); border-radius: 1rem; background: var(--v0-surface); }
+  .record-card > div { display: grid; grid-template-columns: minmax(10rem, 1fr) 2fr; gap: 1rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--v0-divider); }
+  .record-card > div:last-child { border-bottom: 0; }
+  dt { color: var(--v0-on-surface-variant); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; }
+  dd { margin: 0; overflow-wrap: anywhere; }
+</style>

frontend/src/pages/user-file.vue

@@ -0,0 +1,142 @@
+<script lang="ts" setup>
+  import { onMounted, ref } from 'vue'
+  import { useRoute, useRouter } from 'vue-router'
+  import { auth } from '@/auth'
+
+  interface Field {
+    id: number
+    name: string
+    identifier: string
+    type: string
+  }
+  interface LinkedEntity {
+    entity: { id: number, name: string, identifier: string, fields: Field[] }
+    records: Record<string, unknown>[]
+  }
+  interface UserFile {
+    user: { id: number, username: string, role: string }
+    linkedEntities: LinkedEntity[]
+  }
+
+  const route = useRoute()
+  const router = useRouter()
+  const file = ref<UserFile>()
+  const loading = ref(true)
+  const errorMessage = ref('')
+
+  function displayValue (value: unknown) {
+    if ([null, undefined, ''].includes(value as null | undefined | string)) return '—'
+    if (typeof value === 'boolean') return value ? 'Yes' : 'No'
+    return String(value)
+  }
+
+  onMounted(async () => {
+    try {
+      const response = await fetch(`/api/users/${route.params.userId}/file`, {
+        headers: { Authorization: `Bearer ${auth.token}` },
+      })
+      if (response.status === 404) {
+        await router.replace('/users')
+        return
+      }
+      if (!response.ok) throw new Error('User file request failed')
+      file.value = await response.json() as UserFile
+    } catch {
+      errorMessage.value = 'Unable to load this user file.'
+    } finally {
+      loading.value = false
+    }
+  })
+</script>
+
+<template>
+  <section class="user-file-page">
+    <router-link class="back-link" to="/users">← User Management</router-link>
+    <p v-if="loading">Loading user file…</p>
+    <p v-else-if="errorMessage" role="alert">{{ errorMessage }}</p>
+
+    <template v-else-if="file">
+      <header>
+        <p class="eyebrow">User file</p>
+
+        <div class="title-row">
+          <h1>{{ file.user.username }}</h1>
+          <span class="role-badge">{{ file.user.role }}</span>
+        </div>
+
+        <p>All entity records linked to this user.</p>
+      </header>
+
+      <p v-if="file.linkedEntities.length === 0" class="empty-state">
+        No entities with user references are configured.
+      </p>
+
+      <article v-for="linked in file.linkedEntities" :key="linked.entity.id" class="entity-card">
+        <div class="entity-heading">
+          <div>
+            <h2>{{ linked.entity.name }}</h2>
+            <p>{{ linked.records.length }} linked {{ linked.records.length === 1 ? 'record' : 'records' }}</p>
+          </div>
+        </div>
+
+        <p v-if="linked.records.length === 0" class="no-records">No records linked to this user.</p>
+
+        <div v-else class="table-scroll">
+          <table>
+            <thead>
+              <tr>
+                <th>ID</th>
+                <th v-for="field in linked.entity.fields" :key="field.id">{{ field.name }}</th>
+                <th><span class="sr-only">Actions</span></th>
+              </tr>
+            </thead>
+
+            <tbody>
+              <tr v-for="record in linked.records" :key="String(record.id)">
+                <td>{{ displayValue(record.id) }}</td>
+
+                <td v-for="field in linked.entity.fields" :key="field.id">
+                  {{ displayValue(record[field.identifier]) }}
+                </td>
+
+                <td>
+                  <router-link
+                    :aria-label="`View ${linked.entity.name} record ${record.id}`"
+                    class="view-link"
+                    :to="`/users/${file.user.id}/entities/${linked.entity.id}/records/${record.id}`"
+                  >
+                    View
+                  </router-link>
+                </td>
+              </tr>
+            </tbody>
+          </table>
+        </div>
+      </article>
+    </template>
+  </section>
+</template>
+
+<style scoped>
+  .user-file-page { width: 100%; max-width: 78rem; }
+  .back-link, .view-link { color: var(--v0-primary); font-weight: 700; text-decoration: none; }
+  .back-link:hover, .view-link:hover { text-decoration: underline; }
+  header { margin: 1.5rem 0 2rem; }
+  .eyebrow { margin: 0 0 0.5rem; color: var(--v0-primary); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
+  .title-row { display: flex; align-items: center; gap: 0.8rem; }
+  h1, h2 { margin: 0; letter-spacing: -0.03em; }
+  h1 { font-size: 2rem; }
+  h2 { font-size: 1.25rem; }
+  header > p:last-child, .entity-heading p { color: var(--v0-on-surface-variant); }
+  .role-badge { padding: 0.25rem 0.6rem; border-radius: 999px; color: var(--v0-primary); background: color-mix(in srgb, var(--v0-primary) 14%, transparent); font-size: 0.8rem; font-weight: 700; }
+  .entity-card, .empty-state { margin-bottom: 1.25rem; overflow: hidden; border: 1px solid var(--v0-divider); border-radius: 1rem; background: var(--v0-surface); }
+  .entity-heading { padding: 1.25rem; border-bottom: 1px solid var(--v0-divider); }
+  .entity-heading p { margin: 0.35rem 0 0; font-size: 0.9rem; }
+  .empty-state, .no-records { padding: 1.5rem; }
+  .table-scroll { overflow-x: auto; }
+  table { width: 100%; border-collapse: collapse; text-align: left; white-space: nowrap; }
+  th, td { padding: 0.85rem 1rem; border-bottom: 1px solid var(--v0-divider); }
+  th { color: var(--v0-on-surface-variant); font-size: 0.75rem; text-transform: uppercase; }
+  tbody tr:last-child td { border-bottom: 0; }
+  .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
+</style>

frontend/src/pages/users.vue

@@ -53,7 +53,7 @@
 
         <tbody>
           <tr v-for="user in users" :key="user.id">
-            <td>{{ user.username }}</td>
+            <td><router-link class="user-link" :to="`/users/${user.id}`">{{ user.username }}</router-link></td>
             <td><span class="role-badge">{{ user.role }}</span></td>
           </tr>
         </tbody>
@@ -75,4 +75,6 @@
   th { color: var(--v0-on-surface-variant); font-size: 0.75rem; text-transform: uppercase; }
   tbody tr:last-child td { border-bottom: 0; }
   .role-badge { padding: 0.25rem 0.6rem; border-radius: 999px; color: var(--v0-primary); background: color-mix(in srgb, var(--v0-primary) 14%, transparent); font-size: 0.8rem; font-weight: 700; }
+  .user-link { color: var(--v0-primary); font-weight: 700; text-decoration: none; }
+  .user-link:hover { text-decoration: underline; }
 </style>

frontend/src/router/index.ts

@@ -8,7 +8,9 @@
 import { createRouter, createWebHistory } from 'vue-router'
 import { auth } from '@/auth'
 import EntityConfiguration from '@/pages/entity-configuration.vue'
+import EntityRecordViewer from '@/pages/entity-record-viewer.vue'
 import Index from '@/pages/index.vue'
+import UserFile from '@/pages/user-file.vue'
 import Users from '@/pages/users.vue'
 
 const router = createRouter({
@@ -23,6 +25,16 @@ const router = createRouter({
       component: Users,
       meta: { requiresAdmin: true },
     },
+    {
+      path: '/users/:userId',
+      component: UserFile,
+      meta: { requiresAdmin: true },
+    },
+    {
+      path: '/users/:userId/entities/:entityId/records/:recordId',
+      component: EntityRecordViewer,
+      meta: { requiresAdmin: true },
+    },
     {
       path: '/admin/entities',
       component: EntityConfiguration,

frontend/tests/user-file.spec.ts

@@ -0,0 +1,61 @@
+import { expect, type Page, test } from '@playwright/test'
+
+async function useAdminSession (page: Page) {
+  await page.addInitScript(() => {
+    sessionStorage.setItem('bolts-session', JSON.stringify({
+      username: 'admin',
+      role: 'admin',
+      token: 'admin-token',
+    }))
+  })
+}
+
+test('admin opens a user file and views a linked entity record', async ({ page }) => {
+  await useAdminSession(page)
+  await page.route('**/api/users', route => route.fulfill({
+    json: [{ id: 7, username: 'alex', role: 'user' }],
+  }))
+  await page.route('**/api/users/7/file', route => route.fulfill({
+    json: {
+      user: { id: 7, username: 'alex', role: 'user' },
+      linkedEntities: [{
+        entity: {
+          id: 3,
+          name: 'Project',
+          identifier: 'project',
+          fields: [
+            { id: 11, name: 'Title', identifier: 'title', type: 'TEXT' },
+            { id: 12, name: 'Owner', identifier: 'owner', type: 'USER' },
+          ],
+        },
+        records: [{ id: 42, title: 'Website refresh', owner: 7 }],
+      }],
+    },
+  }))
+  await page.route('**/api/users/7/entities/3/records/42', route => route.fulfill({
+    json: {
+      entity: {
+        id: 3,
+        name: 'Project',
+        identifier: 'project',
+        fields: [
+          { id: 11, name: 'Title', identifier: 'title', type: 'TEXT' },
+          { id: 12, name: 'Owner', identifier: 'owner', type: 'USER' },
+        ],
+      },
+      values: { id: 42, title: 'Website refresh', owner: 7 },
+    },
+  }))
+
+  await page.goto('/users')
+  await page.getByRole('link', { name: 'alex' }).click()
+
+  await expect(page.getByRole('heading', { name: 'alex' })).toBeVisible()
+  await expect(page.getByRole('heading', { name: 'Project' })).toBeVisible()
+  await expect(page.getByRole('row').filter({ hasText: 'Website refresh' })).toContainText('7')
+
+  await page.getByRole('link', { name: 'View Project record 42' }).click()
+  await expect(page.getByRole('heading', { name: 'Project #42' })).toBeVisible()
+  await expect(page.getByText('Website refresh')).toBeVisible()
+  await expect(page.getByText('Owner')).toBeVisible()
+})

src/main/kotlin/Main.kt

@@ -1,5 +1,6 @@
 import dev.mduchene.bolts.entity.EntityDefinitionRepository
 import dev.mduchene.bolts.entity.EntityMigrationService
+import dev.mduchene.bolts.entity.EntityRecordRepository
 import dev.mduchene.bolts.persistence.Database
 import dev.mduchene.bolts.persistence.DatabaseConfig
 import dev.mduchene.bolts.user.LoginService
@@ -24,7 +25,7 @@ fun main() {
     val controllers = listOf(
         HomeController(),
         AuthController(loginService),
-        UserController(users, loginService),
+        UserController(users, loginService, EntityRecordRepository(database, entities)),
         EntityDefinitionController(entities, loginService, EntityMigrationService(database, entities)),
     )
 

src/main/kotlin/dev/mduchene/bolts/entity/EntityRecordRepository.kt

@@ -0,0 +1,78 @@
+package dev.mduchene.bolts.entity
+
+import dev.mduchene.bolts.persistence.Database
+import java.sql.ResultSet
+import java.time.temporal.TemporalAccessor
+
+data class LinkedEntityRecords(
+    val entity: EntityDefinition,
+    val records: List<Map<String, Any?>>,
+)
+
+data class EntityRecord(
+    val entity: EntityDefinition,
+    val values: Map<String, Any?>,
+)
+
+class EntityRecordRepository(
+    private val database: Database,
+    private val entities: EntityDefinitionRepository,
+) {
+    fun findLinkedToUser(userId: Long): List<LinkedEntityRecords> =
+        database.getConnection().use { connection ->
+            val tables = connection.metaData.getTables(null, null, "%", arrayOf("TABLE")).use { result ->
+                buildSet { while (result.next()) add(result.getString("TABLE_NAME").lowercase()) }
+            }
+
+            entities.findAll()
+                .filter { entity ->
+                    entity.identifier.lowercase() in tables && entity.fields.any { it.type == FieldType.USER }
+                }
+                .map { entity ->
+                    val userFields = entity.fields.filter { it.type == FieldType.USER }
+                    val columns = listOf("id") + entity.fields.map(EntityField::identifier)
+                    val predicate = userFields.joinToString(" OR ") { "${quote(it.identifier)} = ?" }
+                    val sql = "SELECT ${columns.joinToString { quote(it) }} FROM ${quote(entity.identifier)} " +
+                        "WHERE $predicate ORDER BY \"id\""
+                    val records = connection.prepareStatement(sql).use { statement ->
+                        userFields.indices.forEach { statement.setLong(it + 1, userId) }
+                        statement.executeQuery().use { result -> result.toRecords(columns) }
+                    }
+                    LinkedEntityRecords(entity, records)
+                }
+        }
+
+    fun findRecordLinkedToUser(userId: Long, entityId: Long, recordId: Long): EntityRecord? {
+        val entity = entities.findAll().firstOrNull { it.id == entityId } ?: return null
+        val userFields = entity.fields.filter { it.type == FieldType.USER }
+        if (userFields.isEmpty()) return null
+
+        val columns = listOf("id") + entity.fields.map(EntityField::identifier)
+        val predicate = userFields.joinToString(" OR ") { "${quote(it.identifier)} = ?" }
+        val sql = "SELECT ${columns.joinToString { quote(it) }} FROM ${quote(entity.identifier)} " +
+            "WHERE \"id\" = ? AND ($predicate)"
+        val values = database.queryOne(sql, bind = {
+            setLong(1, recordId)
+            userFields.indices.forEach { setLong(it + 2, userId) }
+        }) { toRecord(columns) } ?: return null
+        return EntityRecord(entity, values)
+    }
+
+    private fun ResultSet.toRecords(columns: List<String>): List<Map<String, Any?>> =
+        buildList { while (next()) add(toRecord(columns)) }
+
+    private fun ResultSet.toRecord(columns: List<String>): Map<String, Any?> =
+        linkedMapOf<String, Any?>().also { values ->
+            columns.forEach { column -> values[column] = normalizedValue(getObject(column)) }
+        }
+
+    private fun normalizedValue(value: Any?): Any? = when (value) {
+        is java.sql.Date -> value.toLocalDate().toString()
+        is java.sql.Timestamp -> value.toInstant().toString()
+        is TemporalAccessor -> value.toString()
+        is java.util.Date -> value.toInstant().toString()
+        else -> value
+    }
+
+    private fun quote(identifier: String) = "\"${identifier.replace("\"", "\"\"")}\""
+}

src/main/kotlin/dev/mduchene/bolts/user/UserRepository.kt

@@ -44,6 +44,13 @@ class UserRepository(private val database: Database) {
         return database.queryList(sql, map = ResultSet::toUser)
     }
 
+    fun findById(id: Long): User? =
+        database.queryOne(
+            "SELECT id, username, password_hash, role FROM users WHERE id = ?",
+            bind = { setLong(1, id) },
+            map = ResultSet::toUser,
+        )
+
     fun updateRole(id: Long, role: String) {
         val sql = "UPDATE users SET role = ? WHERE id = ?"
         database.executeUpdate(sql) {

src/main/kotlin/dev/mduchene/bolts/web/Responses.kt

@@ -1,5 +1,7 @@
 package dev.mduchene.bolts.web
 
+import dev.mduchene.bolts.entity.LinkedEntityRecords
+
 data class ErrorResponse(
     val message: String,
 )
@@ -15,3 +17,8 @@ data class UserResponse(
     val username: String,
     val role: String,
 )
+
+data class UserFileResponse(
+    val user: UserResponse,
+    val linkedEntities: List<LinkedEntityRecords>,
+)

src/main/kotlin/dev/mduchene/bolts/web/UserController.kt

@@ -1,5 +1,6 @@
 package dev.mduchene.bolts.web
 
+import dev.mduchene.bolts.entity.EntityRecordRepository
 import dev.mduchene.bolts.user.LoginService
 import dev.mduchene.bolts.user.UserRepository
 import io.javalin.router.JavalinDefaultRoutingApi
@@ -7,6 +8,7 @@ import io.javalin.router.JavalinDefaultRoutingApi
 class UserController(
     private val users: UserRepository,
     private val loginService: LoginService,
+    private val records: EntityRecordRepository,
 ) : Controller {
     override fun register(routes: JavalinDefaultRoutingApi) {
         routes.get("/api/users") { ctx ->
@@ -20,5 +22,32 @@ class UserController(
                 )
             })
         }
+        routes.get("/api/users/{userId}/file") { ctx ->
+            if (!ctx.requireAdmin(loginService)) return@get
+            val userId = ctx.pathParam("userId").toLongOrNull()
+            val user = userId?.let(users::findById)
+            if (user == null) {
+                ctx.notFound()
+                return@get
+            }
+            ctx.json(
+                UserFileResponse(
+                    UserResponse(user.id, user.username, user.role),
+                    records.findLinkedToUser(user.id),
+                ),
+            )
+        }
+        routes.get("/api/users/{userId}/entities/{entityId}/records/{recordId}") { ctx ->
+            if (!ctx.requireAdmin(loginService)) return@get
+            val userId = ctx.pathParam("userId").toLongOrNull()
+            val entityId = ctx.pathParam("entityId").toLongOrNull()
+            val recordId = ctx.pathParam("recordId").toLongOrNull()
+            if (userId == null || entityId == null || recordId == null || users.findById(userId) == null) {
+                ctx.notFound()
+                return@get
+            }
+            val record = records.findRecordLinkedToUser(userId, entityId, recordId)
+            if (record == null) ctx.notFound() else ctx.json(record)
+        }
     }
 }