feat: add agreement and report download functionality to InternshipController and related components

backend/app/Http/Controllers/InternshipController.php

@@ -135,6 +135,56 @@ class InternshipController extends Controller
         return response()->json($internship);
     }
 
+    public function get_agreement(int $id) {
+        $user = auth()->user();
+        $internship = Internship::find($id);
+        
+        if(!$internship) {
+            return response()->json([
+                'message' => 'No such internship exists.'
+            ], 400);
+        }
+
+        if(!$internship->agreement) {
+            return response()->json([
+                'message' => 'No agreement file exists for this internship.'
+            ], 404);
+        }
+
+        if($user->role !== 'ADMIN' && $internship->user_id !== $user->id && $user->id !== $internship->company->contact) {
+            abort(403, 'Unauthorized');
+        }
+
+        return response($internship->agreement, 200)
+            ->header('Content-Type', 'application/pdf')
+            ->header('Content-Disposition', 'attachment; filename="agreement_' . $id . '.pdf"');
+    }
+
+    public function get_report(int $id) {
+        $user = auth()->user();
+        $internship = Internship::find($id);
+        
+        if(!$internship) {
+            return response()->json([
+                'message' => 'No such internship exists.'
+            ], 400);
+        }
+
+        if(!$internship->report) {
+            return response()->json([
+                'message' => 'No report file exists for this internship.'
+            ], 404);
+        }
+
+        if($user->role !== 'ADMIN' && $internship->user_id !== $user->id && $user->id !== $internship->company->contact) {
+            abort(403, 'Unauthorized');
+        }
+
+        return response($internship->report, 200)
+            ->header('Content-Type', 'application/pdf')
+            ->header('Content-Disposition', 'attachment; filename="report_' . $id . '.pdf"');
+    }
+
     /**
      * Display a listing of the resource.
      */

backend/routes/api.php

@@ -42,6 +42,8 @@ Route::prefix('/internships')->group(function () {
             Route::put("/status", [InternshipStatusController::class, 'update'])->name("api.internships.status.update");
             Route::get("/statuses", [InternshipStatusController::class, 'get'])->name("api.internships.get");
             Route::get("/next-statuses", [InternshipStatusController::class, 'get_next_states'])->name("api.internships.status.next.get");
+            Route::get("/agreement", [InternshipController::class, 'get_agreement'])->name("api.internships.agreement.get");
+            Route::get("/report", [InternshipController::class, 'get_report'])->name("api.internships.report.get");
             Route::post("/documents", [InternshipController::class, 'update_documents'])->name("api.internships.documents.set");
             Route::post("/basic", [InternshipController::class, 'update_basic'])->name("api.internships.update.basic");
         });

frontend/app/components/InternshipDocumentEditor.vue

@@ -25,6 +25,26 @@ const report_confirmed = ref(props.internship.report_confirmed);
 const client = useSanctumClient();
 const user = useSanctumUser<User>();
 
+function triggerDownload(file: Blob, file_name: string) {
+    const url = window.URL.createObjectURL(file);
+    const link = document.createElement('a');
+    link.href = url;
+    link.download = `${file_name}.pdf`;
+    link.target = "_blank";
+    link.click();
+    window.URL.revokeObjectURL(url);
+}
+
+async function downloadAgreement() {
+    const agreement: Blob = await client(`/api/internships/${props.internship.id}/agreement`);
+    triggerDownload(agreement, `agreement-${props.internship.id}`);
+}
+
+async function downloadReport() {
+    const report: Blob = await client(`/api/internships/${props.internship.id}/report`);
+    triggerDownload(report, `report-${props.internship.id}`);
+}
+
 async function onSubmit() {
     error.value = null;
     loading.value = true;
@@ -72,7 +92,14 @@ async function onSubmit() {
 
                 <v-alert v-if="props.internship.agreement" class="mb-2" type="warning" variant="tonal"
                     title="Existujúci dokument"
-                    text="V systéme je už nahratá zmluva/dohoda. Ak chcete nahradiť existujúcu verziu, vyberte súbor, alebo v opačnom prípade nechajte toto pole nevyplnené." />
+                    text="V systéme je už nahratá zmluva/dohoda. Ak chcete nahradiť existujúcu verziu, vyberte súbor, alebo v opačnom prípade nechajte toto pole nevyplnené.">
+
+                    <br />
+
+                    <v-btn prepend-icon="mdi-download" color="blue" class="mr-2 mt-2" @click="downloadAgreement">
+                        Stiahnuť
+                    </v-btn>
+                </v-alert>
 
                 <v-file-input v-model="agreement" :rules="[rules.isPdf, rules.maxSize]" accept=".pdf,application/pdf"
                     prepend-icon="mdi-handshake" label="Nahrať PDF zmluvu" variant="outlined" show-size clearable
@@ -86,18 +113,28 @@ async function onSubmit() {
 
                 <v-alert v-if="props.internship.report" class="mb-2" type="warning" variant="tonal"
                     title="Existujúci dokument"
-                    text="V systéme je už nahratý výkaz. Ak chcete nahradiť existujúcu verziu, vyberte súbor, alebo v opačnom prípade nechajte toto pole nevyplnené." />
+                    text="V systéme je už nahratý výkaz. Ak chcete nahradiť existujúcu verziu, vyberte súbor, alebo v opačnom prípade nechajte toto pole nevyplnené.">
+
+                    <br />
+
+                    <v-btn prepend-icon="mdi-download" color="blue" class="mr-2 mt-2" @click="downloadReport">
+                        Stiahnuť
+                    </v-btn>
+                </v-alert>
 
                 <v-file-input v-model="report" :rules="[rules.isPdf, rules.maxSize]" accept=".pdf,application/pdf"
                     prepend-icon="mdi-chart-box-outline" label="Nahrať PDF výkaz" variant="outlined" show-size clearable
                     hint="Povolené: PDF, max 10 MB" persistent-hint />
-                
-                <v-checkbox v-if="user?.role === Role.EMPLOYER" :disabled="!props.internship.agreement || !props.internship.report" v-model="report_confirmed" label="Výkaz je správny"></v-checkbox>
+
+                <v-checkbox v-if="user?.role === Role.EMPLOYER"
+                    :disabled="!props.internship.agreement || !props.internship.report" v-model="report_confirmed"
+                    label="Výkaz je správny"></v-checkbox>
             </div>
 
             <br />
 
-            <v-btn type="submit" color="success" size="large" block :disabled="!agreement && !report && (!props.internship.agreement || !props.internship.report)">
+            <v-btn type="submit" color="success" size="large" block
+                :disabled="!agreement && !report && (!props.internship.agreement || !props.internship.report)">
                 Uloziť
             </v-btn>
         </v-form>

frontend/app/components/InternshipDocumentViewer.vue

@@ -4,6 +4,28 @@ import type { Internship } from '~/types/internships';
 const props = defineProps<{
     internship: Internship
 }>();
+
+const client = useSanctumClient();
+
+function triggerDownload(file: Blob, file_name: string) {
+    const url = window.URL.createObjectURL(file);
+    const link = document.createElement('a');
+    link.href = url;
+    link.download = `${file_name}.pdf`;
+    link.target = "_blank";
+    link.click();
+    window.URL.revokeObjectURL(url);
+}
+
+async function downloadAgreement() {
+    const agreement: Blob = await client(`/api/internships/${props.internship.id}/agreement`);
+    triggerDownload(agreement, `agreement-${props.internship.id}`);
+}
+
+async function downloadReport() {
+    const report: Blob = await client(`/api/internships/${props.internship.id}/report`);
+    triggerDownload(report, `report-${props.internship.id}`);
+}
 </script>
 
 <template>
@@ -23,7 +45,8 @@ const props = defineProps<{
                         <div v-else>
                             <v-alert type="success" variant="tonal" title="Odovzdané" text="Zmluva bola nahratá." />
 
-                            <v-btn prepend-icon="mdi-download" color="blue" class="mr-2 mt-2" to="/" block>
+                            <v-btn prepend-icon="mdi-download" color="blue" class="mr-2 mt-2" block
+                                @click="downloadAgreement">
                                 Stiahnuť
                             </v-btn>
                         </div>
@@ -49,7 +72,8 @@ const props = defineProps<{
                             <v-alert v-else type="success" variant="tonal" title="Potvrdené"
                                 text="Výkaz bol nahratý, aj potvrdený firmou." />
 
-                            <v-btn prepend-icon="mdi-download" color="blue" class="mr-2 mt-2" to="/" block>
+                            <v-btn prepend-icon="mdi-download" color="blue" class="mr-2 mt-2" block
+                                @click="downloadReport">
                                 Stiahnuť
                             </v-btn>
                         </div>