feat(feedback-api): implementation of the grpc api

server/api/tumdev/campus_backend.proto

@@ -129,8 +129,11 @@ service Campus {
     option (google.api.http) = {get: "/movies/{last_id}"};
   }
 
-  rpc CreateFeedback(CreateFeedbackRequest) returns (CreateFeedbackReply) {
-    option (google.api.http) = {post: "/feedback"};
+  rpc CreateFeedback(stream CreateFeedbackRequest) returns (CreateFeedbackReply) {
+    option (google.api.http) = {
+      post: "/feedback",
+      body: "attachment",
+    };
   }
 
   rpc GetUploadStatus(GetUploadStatusRequest) returns (GetUploadStatusReply) {
@@ -549,19 +552,38 @@ message Movie {
   string link = 16;
 }
 
-message CreateFeedbackReply {}
 message CreateFeedbackRequest {
-  string topic = 1;
-  string email = 2;
-  string email_id = 3;
-  string message = 4;
-  int32 image_count = 5;
-  double latitude = 6;
-  double longitude = 7;
-  string os_version = 8;
-  string app_version = 9;
+  enum Recipient {
+    // Feedback for the TUM Dev Team
+    TUM_DEV = 0;
+    // Feedback for the general TUM Contact Form
+    TUM_CONTACT = 1;
+  }
+
+  // who is the feedback for
+  Recipient recipient = 1;
+  // the email address of the user
+  string from_email = 2;
+  // The actual message
+  string message = 3;
+  // Optional location which the user can choose (data protection) to attach or not
+  Coordinate location = 4;
+  // Optional os information which the user can choose (data protection) to attach or not
+  string os_version = 5;
+  // Optional app information which the user can choose (data protection) to attach or not
+  string app_version = 6;
+  // Optional file in Base64.
+  // Accepted file formats: jpeg, jpg, png, webp, md, txt, pdf
+  // Maximum file size 4MB as by Protobuf maximum per request message size
+  bytes attachment = 7;
+}
+message Coordinate {
+  double latitude = 1;
+  double longitude = 2;
 }
 
+message CreateFeedbackReply {}
+
 message CreateFeedbackImageReply {
   string status = 1;
 }

server/api/tumdev/campus_backend.swagger.json

@@ -507,58 +507,65 @@
         },
         "parameters": [
           {
-            "name": "topic",
-            "in": "query",
-            "required": false,
-            "type": "string"
+            "name": "attachment",
+            "description": "Optional file in Base64.\nAccepted file formats: jpeg, jpg, png, webp, md, txt, pdf\nMaximum file size 4MB as by Protobuf maximum per request message size (streaming inputs)",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "type": "string",
+              "format": "byte"
+            }
           },
           {
-            "name": "email",
+            "name": "recipient",
+            "description": "who is the feedback for\n\n - TUM_DEV: Feedback for the TUM Dev Team\n - TUM_CONTACT: Feedback for the general TUM Contact Form",
             "in": "query",
             "required": false,
-            "type": "string"
+            "type": "string",
+            "enum": [
+              "TUM_DEV",
+              "TUM_CONTACT"
+            ],
+            "default": "TUM_DEV"
           },
           {
-            "name": "emailId",
+            "name": "fromEmail",
+            "description": "the email address of the user",
             "in": "query",
             "required": false,
             "type": "string"
           },
           {
             "name": "message",
+            "description": "The actual message",
             "in": "query",
             "required": false,
             "type": "string"
           },
           {
-            "name": "imageCount",
-            "in": "query",
-            "required": false,
-            "type": "integer",
-            "format": "int32"
-          },
-          {
-            "name": "latitude",
+            "name": "location.latitude",
             "in": "query",
             "required": false,
             "type": "number",
             "format": "double"
           },
           {
-            "name": "longitude",
+            "name": "location.longitude",
             "in": "query",
             "required": false,
             "type": "number",
             "format": "double"
           },
           {
             "name": "osVersion",
+            "description": "Optional os information which the user can choose (data protection) to attach or not",
             "in": "query",
             "required": false,
             "type": "string"
           },
           {
             "name": "appVersion",
+            "description": "Optional app information which the user can choose (data protection) to attach or not",
             "in": "query",
             "required": false,
             "type": "string"
@@ -970,6 +977,15 @@
     }
   },
   "definitions": {
+    "CreateFeedbackRequestRecipient": {
+      "type": "string",
+      "enum": [
+        "TUM_DEV",
+        "TUM_CONTACT"
+      ],
+      "default": "TUM_DEV",
+      "title": "- TUM_DEV: Feedback for the TUM Dev Team\n - TUM_CONTACT: Feedback for the general TUM Contact Form"
+    },
     "ListMoreInformationReplyMoreInformation": {
       "type": "object",
       "properties": {
@@ -1003,6 +1019,19 @@
         }
       }
     },
+    "apiCoordinate": {
+      "type": "object",
+      "properties": {
+        "latitude": {
+          "type": "number",
+          "format": "double"
+        },
+        "longitude": {
+          "type": "number",
+          "format": "double"
+        }
+      }
+    },
     "apiCreateCanteenRatingReply": {
       "type": "object"
     },