feat(operator): add status transitions, flag message modal, and intervention link guards

app/pages/operator/reports/[id].vue

@@ -33,6 +33,7 @@ const messages = computed(() => (messagesData.value as any)?.messages || [])
 const summary = computed(() => (summaryData.value as any)?.summary)
 const summaryMedia = computed(() => (summaryData.value as any)?.media || [])
 const teams = computed(() => teamsData.value?.teams || [])
+
 const statusMeta: Record<string, string> = {
   OPEN: 'Aperta',
   UNDER_REVIEW: 'In revisione',
@@ -43,6 +44,43 @@ const statusMeta: Record<string, string> = {
   CLOSED: 'Chiusa'
 }
 
+// Mappa delle transizioni (Equivalente al backend C++)
+const statusTransitions: Record<string, string[]> = {
+  OPEN: ['UNDER_REVIEW', 'REJECTED'],
+  UNDER_REVIEW: ['ASSIGNED', 'REJECTED'],
+  ASSIGNED: ['IN_PROGRESS', 'REJECTED'],
+  IN_PROGRESS: ['RESOLVED', 'REJECTED'],
+  RESOLVED: ['CLOSED'],
+  REJECTED: ['CLOSED'],
+  CLOSED: []
+}
+
+const availableStatuses: { value: ReportStatus, label: string }[] = [
+  { value: 'OPEN', label: 'Aperta' },
+  { value: 'UNDER_REVIEW', label: 'In Revisione' },
+  { value: 'ASSIGNED', label: 'Assegnata' },
+  { value: 'IN_PROGRESS', label: 'In Lavorazione' },
+  { value: 'RESOLVED', label: 'Risolta' },
+  { value: 'REJECTED', label: 'Rifiutata' },
+  { value: 'CLOSED', label: 'Chiusa' }
+]
+
+// Computed per ottenere solo gli stati di destinazione validi
+const selectableStatuses = computed(() => {
+  if (!report.value?.status) return []
+  const allowed = statusTransitions[report.value.status] || []
+  return availableStatuses.filter(s => allowed.includes(s.value))
+})
+
+// Logica per consentire il link di intervento
+// Corrisponde alla query: SELECT id FROM assignments WHERE report_id = ? AND ended_at IS NULL
+const canCreateInterventionLink = computed(() => {
+  if (summary.value?.assignments && Array.isArray(summary.value.assignments)) {
+    return summary.value.assignments.some((a: any) => !a.ended_at)
+  }
+  return ['ASSIGNED', 'IN_PROGRESS'].includes(report.value?.status)
+})
+
 // Form Cambia Stato
 const newStatus = ref<ReportStatus>('IN_PROGRESS')
 const statusNote = ref('')
@@ -62,21 +100,20 @@ const isRevokeInterventionModalOpen = ref(false)
 
 // Messaggi
 const isSubmittingMessage = ref(false)
-const isFlaggingMessageId = ref<number | null>(null)
+const flaggedMessageIds = ref<number[]>([]) // Array locale per evitare lo spam di segnalazioni
+const isFlagMessageModalOpen = ref(false)
+const messageToFlag = ref<Message | null>(null)
+const isFlaggingMessage = ref(false)
+const isFlaggingMessageId = computed(() => isFlaggingMessage.value ? messageToFlag.value?.id : null)
 
-const availableStatuses: { value: ReportStatus, label: string }[] = [
-  { value: 'OPEN', label: 'Aperta' },
-  { value: 'UNDER_REVIEW', label: 'In Revisione' },
-  { value: 'ASSIGNED', label: 'Assegnata' },
-  { value: 'IN_PROGRESS', label: 'In Lavorazione' },
-  { value: 'RESOLVED', label: 'Risolta' },
-  { value: 'REJECTED', label: 'Rifiutata' },
-  { value: 'CLOSED', label: 'Chiusa' }
-]
-
-// Inizializza lo stato nel form
+// Inizializza lo stato nel form (seleziona automaticamente la prima transizione disponibile)
 watch(() => report.value?.status, (val) => {
-  if (val) newStatus.value = val as ReportStatus
+  if (val) {
+    const allowed = statusTransitions[val] || []
+    if (allowed.length > 0) {
+      newStatus.value = allowed[0] as ReportStatus
+    }
+  }
 }, { immediate: true })
 
 const handleStatusUpdate = async () => {
@@ -130,6 +167,7 @@ const copyInterventionLink = async () => {
 }
 
 const handleCreateInterventionLink = async () => {
+  if (!canCreateInterventionLink.value) return
   isGeneratingInterventionLink.value = true
   interventionLinkError.value = ''
   interventionLinkSuccess.value = ''
@@ -197,21 +235,37 @@ const handleSendMessage = async (msgText: string, files: File[]) => {
 
 const canFlagMessage = (message: Message) => {
   if (!user.value) return false
-  return message.user_id !== user.value.id && message.user_id === report.value?.user_id
+  const isCitizenMessage = message.user_id !== user.value.id && message.user_id === report.value?.user_id
+  // Non permettere di segnalare se l'id del messaggio è già nell'array (anti-spam)
+  const isAlreadyFlagged = flaggedMessageIds.value.includes(message.id)
+  return isCitizenMessage && !isAlreadyFlagged
 }
 
-const handleFlagMessage = async (message: Message) => {
+const handleFlagMessage = (message: Message) => {
   if (!canFlagMessage(message)) return
 
-  isFlaggingMessageId.value = message.id
+  // Apri il modale per chiedere conferma
+  messageToFlag.value = message
+  isFlagMessageModalOpen.value = true
+}
+
+const executeFlagMessage = async () => {
+  if (!messageToFlag.value) return
+
+  isFlaggingMessage.value = true
   try {
-    await flagMessage(reportId, message.id, {
+    await flagMessage(reportId, messageToFlag.value.id, {
       reason: 'Messaggio segnalato da operatore responsabile per verifica moderazione',
     })
+    // Aggiungi l'id all'array anti-spam locale così l'utente non può più segnalarlo in questa sessione
+    flaggedMessageIds.value.push(messageToFlag.value.id)
+
+    isFlagMessageModalOpen.value = false
+    messageToFlag.value = null
   } catch (e) {
     console.error('Failed to flag message', e)
   } finally {
-    isFlaggingMessageId.value = null
+    isFlaggingMessage.value = false
   }
 }
 
@@ -228,12 +282,12 @@ const latestCitizenMessage = computed(() => {
   if (!reportUserId) return null
 
   return [...messages.value]
-    .reverse()
-    .find((message) => message.user_id === reportUserId) || null
+      .reverse()
+      .find((message) => message.user_id === reportUserId) || null
 })
 
 const formattedInterventionLinkExpiry = computed(() =>
-  interventionLinkExpiresAt.value ? formatDate(interventionLinkExpiresAt.value) : ''
+    interventionLinkExpiresAt.value ? formatDate(interventionLinkExpiresAt.value) : ''
 )
 </script>
 
@@ -326,10 +380,10 @@ const formattedInterventionLinkExpiry = computed(() =>
                 <span class="badge bg-light text-dark border">{{ messages.length }} messaggi</span>
               </div>
               <MessageList
-                :messages="messages"
-                :can-flag-message="canFlagMessage"
-                :is-flagging-message-id="isFlaggingMessageId"
-                @flag="handleFlagMessage"
+                  :messages="messages"
+                  :can-flag-message="canFlagMessage"
+                  :is-flagging-message-id="isFlaggingMessageId"
+                  @flag="handleFlagMessage"
               />
               <MessageComposer @send="handleSendMessage" />
             </div>
@@ -338,126 +392,139 @@ const formattedInterventionLinkExpiry = computed(() =>
 
         <div class="col-12 col-xl-5">
           <div class="report-sidebar">
-          <div class="card card-bg border-0 shadow-sm mb-4" v-if="summary">
-            <div class="card-body">
-              <h2 class="h6 mb-3">Quadro operativo</h2>
-              <ul class="report-summary-list list-unstyled mb-4">
-                <li>
-                  <span>Operatore</span>
-                  <strong>{{ summary.assigned_operator_id ? `#${summary.assigned_operator_id}` : 'Nessuno' }}</strong>
-                </li>
-                <li>
-                  <span>Team disponibili</span>
-                  <strong>{{ teams.length }}</strong>
-                </li>
-                <li>
-                  <span>Allegati</span>
-                  <strong>{{ summaryMedia.length || media.length }}</strong>
-                </li>
-              </ul>
-              <div class="report-description">
-                <h3 class="h6 mb-2">Ultimo messaggio cittadino</h3>
-                <p class="small mb-0">
-                  {{ latestCitizenMessage?.body || 'Nessun messaggio del cittadino disponibile.' }}
-                </p>
+            <div class="card card-bg border-0 shadow-sm mb-4" v-if="summary">
+              <div class="card-body">
+                <h2 class="h6 mb-3">Quadro operativo</h2>
+                <ul class="report-summary-list list-unstyled mb-4">
+                  <li>
+                    <span>Operatore</span>
+                    <strong>{{ summary.assigned_operator_id ? `#${summary.assigned_operator_id}` : 'Nessuno' }}</strong>
+                  </li>
+                  <li>
+                    <span>Team disponibili</span>
+                    <strong>{{ teams.length }}</strong>
+                  </li>
+                  <li>
+                    <span>Allegati</span>
+                    <strong>{{ summaryMedia.length || media.length }}</strong>
+                  </li>
+                </ul>
+                <div class="report-description">
+                  <h3 class="h6 mb-2">Ultimo messaggio cittadino</h3>
+                  <p class="small mb-0">
+                    {{ latestCitizenMessage?.body || 'Nessun messaggio del cittadino disponibile.' }}
+                  </p>
+                </div>
               </div>
-            </div>
-            <div class="card-body pt-0">
-              <button class="btn btn-outline-primary w-100" @click="isAssignModalOpen = true" :disabled="teams.length === 0">
-                Assegna team
-              </button>
-            </div>
-          </div>
-
-          <div class="card card-bg border-0 shadow-sm mb-4">
-            <div class="card-body">
-              <h2 class="h6 mb-3">Link intervento pubblico</h2>
-              <p class="text-muted small mb-3">Genera link temporaneo per team esterno. Nuova generazione ruota link esistente.</p>
-
-              <div v-if="interventionLinkError" class="alert alert-danger py-2" role="alert">
-                {{ interventionLinkError }}
-              </div>
-              <div v-if="interventionLinkSuccess" class="alert alert-success py-2" role="alert">
-                {{ interventionLinkSuccess }}
-              </div>
-
-              <template v-if="interventionLink">
-                <label class="form-label">URL attivo</label>
-                <div class="input-group mb-2">
-                  <input type="text" class="form-control" :value="interventionLink" readonly />
-                  <button type="button" class="btn btn-outline-primary" @click="copyInterventionLink">
-                    Copia
-                  </button>
-                </div>
-                <p class="small text-muted mb-3">
-                  Scade: {{ formattedInterventionLinkExpiry || '-' }}
-                </p>
-                <div class="d-grid gap-2">
-                  <button type="button" class="btn btn-outline-primary" :disabled="isGeneratingInterventionLink" @click="handleCreateInterventionLink">
-                    <span v-if="isGeneratingInterventionLink" class="spinner-border spinner-border-sm me-2"></span>
-                    Rigenera link
-                  </button>
-                  <button type="button" class="btn btn-outline-danger" :disabled="isRevokingInterventionLink" @click="openRevokeInterventionLinkModal">
-                    <span v-if="isRevokingInterventionLink" class="spinner-border spinner-border-sm me-2"></span>
-                    Revoca link
-                  </button>
-                </div>
-              </template>
-
-              <button
-                v-else
-                type="button"
-                class="btn btn-outline-primary w-100"
-                :disabled="isGeneratingInterventionLink"
-                @click="handleCreateInterventionLink"
-              >
-                <span v-if="isGeneratingInterventionLink" class="spinner-border spinner-border-sm me-2"></span>
-                Genera link
-              </button>
-            </div>
-          </div>
-
-          <div class="card card-bg border-0 shadow-sm mb-4">
-            <div class="card-body">
-              <h2 class="h6 mb-3">Aggiorna stato</h2>
-              <form @submit.prevent="handleStatusUpdate">
-                <div class="mb-3">
-                  <label class="form-label">Nuovo Stato</label>
-                  <select class="form-select" v-model="newStatus">
-                    <option v-for="st in availableStatuses" :key="st.value" :value="st.value">
-                      {{ st.label }}
-                    </option>
-                  </select>
-                </div>
-                <div class="mb-3">
-                  <label class="form-label">Nota (visibile nella cronologia)</label>
-                  <textarea class="form-control" v-model="statusNote" rows="2" placeholder="Motivazione o dettaglio..."></textarea>
-                </div>
-                <button type="submit" class="btn btn-primary w-100" :disabled="isUpdatingStatus || newStatus === report.status">
-                  <span v-if="isUpdatingStatus" class="spinner-border spinner-border-sm me-2"></span>
-                  Aggiorna Stato
+              <div class="card-body pt-0">
+                <button class="btn btn-outline-primary w-100" @click="isAssignModalOpen = true" :disabled="teams.length === 0">
+                  Assegna team
                 </button>
-              </form>
+              </div>
             </div>
-          </div>
 
-          <div class="card card-bg border-0 shadow-sm">
-            <div class="card-body">
-              <h2 class="h6 mb-3">Cronologia eventi</h2>
-              <div v-if="statusHistory.length === 0" class="small text-muted">Nessun evento registrato.</div>
-              <ul class="list-unstyled mb-0 ms-2">
-                <li v-for="item in statusHistory" :key="item.id" class="mb-3 border-start border-primary border-3 ps-3">
-                  <small class="text-muted d-block">{{ formatDate(item.created_at) }}</small>
-                  <div class="d-flex align-items-center gap-2 mt-1">
-                    <StatusBadge :status="item.old_status" />
-                    <BIIcon name="it-arrow-right" size="xs" />
-                    <StatusBadge :status="item.new_status" />
+            <div class="card card-bg border-0 shadow-sm mb-4">
+              <div class="card-body">
+                <h2 class="h6 mb-3">Link intervento pubblico</h2>
+                <p class="text-muted small mb-3">Genera link temporaneo per team esterno. Nuova generazione ruota link esistente.</p>
+
+                <div v-if="interventionLinkError" class="alert alert-danger py-2" role="alert">
+                  {{ interventionLinkError }}
+                </div>
+                <div v-if="interventionLinkSuccess" class="alert alert-success py-2" role="alert">
+                  {{ interventionLinkSuccess }}
+                </div>
+
+                <template v-if="interventionLink">
+                  <label class="form-label">URL attivo</label>
+                  <div class="input-group mb-2">
+                    <input type="text" class="form-control" :value="interventionLink" readonly />
+                    <button type="button" class="btn btn-outline-primary" @click="copyInterventionLink">
+                      Copia
+                    </button>
                   </div>
-                  <div v-if="item.note" class="small mt-1 bg-light p-1 rounded">{{ item.note }}</div>
-                </li>
-              </ul>
+                  <p class="small text-muted mb-3">
+                    Scade: {{ formattedInterventionLinkExpiry || '-' }}
+                  </p>
+                  <div class="d-grid gap-2">
+                    <button type="button" class="btn btn-outline-primary" :disabled="isGeneratingInterventionLink || !canCreateInterventionLink" @click="handleCreateInterventionLink">
+                      <span v-if="isGeneratingInterventionLink" class="spinner-border spinner-border-sm me-2"></span>
+                      Rigenera link
+                    </button>
+                    <button type="button" class="btn btn-outline-danger" :disabled="isRevokingInterventionLink" @click="openRevokeInterventionLinkModal">
+                      <span v-if="isRevokingInterventionLink" class="spinner-border spinner-border-sm me-2"></span>
+                      Revoca link
+                    </button>
+                  </div>
+                </template>
+
+                <button
+                    v-else
+                    type="button"
+                    class="btn btn-outline-primary w-100"
+                    :disabled="isGeneratingInterventionLink || !canCreateInterventionLink"
+                    @click="handleCreateInterventionLink"
+                >
+                  <span v-if="isGeneratingInterventionLink" class="spinner-border spinner-border-sm me-2"></span>
+                  Genera link
+                </button>
+
+                <div v-if="!canCreateInterventionLink" class="text-danger small mt-2">
+                  È necessaria un'assegnazione in corso per generare o rigenerare questo link.
+                </div>
+              </div>
+            </div>
+
+            <div class="card card-bg border-0 shadow-sm mb-4">
+              <div class="card-body">
+                <h2 class="h6 mb-3">Aggiorna stato</h2>
+
+                <template v-if="selectableStatuses.length > 0">
+                  <form @submit.prevent="handleStatusUpdate">
+                    <div class="mb-3">
+                      <label class="form-label">Nuovo Stato</label>
+                      <select class="form-select" v-model="newStatus">
+                        <option v-for="st in selectableStatuses" :key="st.value" :value="st.value">
+                          {{ st.label }}
+                        </option>
+                      </select>
+                    </div>
+                    <div class="mb-3">
+                      <label class="form-label">Nota (visibile nella cronologia)</label>
+                      <textarea class="form-control" v-model="statusNote" rows="2" placeholder="Motivazione o dettaglio..."></textarea>
+                    </div>
+                    <button type="submit" class="btn btn-primary w-100" :disabled="isUpdatingStatus">
+                      <span v-if="isUpdatingStatus" class="spinner-border spinner-border-sm me-2"></span>
+                      Aggiorna Stato
+                    </button>
+                  </form>
+                </template>
+
+                <template v-else>
+                  <div class="alert alert-info mb-0 small">
+                    La segnalazione è attualmente in stato <strong>{{ statusMeta[report.status] }}</strong>. Non sono consentite ulteriori transizioni.
+                  </div>
+                </template>
+              </div>
+            </div>
+
+            <div class="card card-bg border-0 shadow-sm">
+              <div class="card-body">
+                <h2 class="h6 mb-3">Cronologia eventi</h2>
+                <div v-if="statusHistory.length === 0" class="small text-muted">Nessun evento registrato.</div>
+                <ul class="list-unstyled mb-0 ms-2">
+                  <li v-for="item in statusHistory" :key="item.id" class="mb-3 border-start border-primary border-3 ps-3">
+                    <small class="text-muted d-block">{{ formatDate(item.created_at) }}</small>
+                    <div class="d-flex align-items-center gap-2 mt-1">
+                      <StatusBadge :status="item.old_status" />
+                      <BIIcon name="it-arrow-right" size="xs" />
+                      <StatusBadge :status="item.new_status" />
+                    </div>
+                    <div v-if="item.note" class="small mt-1 bg-light p-1 rounded">{{ item.note }}</div>
+                  </li>
+                </ul>
+              </div>
             </div>
-          </div>
           </div>
         </div>
       </div>
@@ -501,14 +568,26 @@ const formattedInterventionLinkExpiry = computed(() =>
     </div>
 
     <ConfirmModal
-      :open="isRevokeInterventionModalOpen"
-      title="Revoca link intervento"
-      message="Vuoi revocare link pubblico per team esterno? Link non sara piu utilizzabile."
-      confirm-label="Revoca link"
-      confirm-class="btn-danger"
-      :pending="isRevokingInterventionLink"
-      @cancel="closeRevokeInterventionLinkModal"
-      @confirm="handleRevokeInterventionLink"
+        :open="isRevokeInterventionModalOpen"
+        title="Revoca link intervento"
+        message="Vuoi revocare link pubblico per team esterno? Link non sara piu utilizzabile."
+        confirm-label="Revoca link"
+        confirm-class="btn-danger"
+        :pending="isRevokingInterventionLink"
+        @cancel="closeRevokeInterventionLinkModal"
+        @confirm="handleRevokeInterventionLink"
+    />
+
+    <!-- Nuovo Modale per Conferma Segnalazione -->
+    <ConfirmModal
+        :open="isFlagMessageModalOpen"
+        title="Segnala messaggio"
+        message="Sei sicuro di voler segnalare questo messaggio al team di moderazione per una verifica?"
+        confirm-label="Segnala"
+        confirm-class="btn-warning"
+        :pending="isFlaggingMessage"
+        @cancel="isFlagMessageModalOpen = false; messageToFlag = null"
+        @confirm="executeFlagMessage"
     />
   </div>
   <div v-else class="text-center py-5">