Update previewer error messages

lib/consts.dart

@@ -502,38 +502,15 @@ const kResponseCodeReasons = {
   511: 'Network Authentication Required',
 };
 
-const kMimeTypeRawRaiseIssueStart =
-    "Please click on 'Raw' to view the unformatted raw results as the response preview for Content-Type ";
-
-const kMimeTypeRaiseIssueStart = "Response preview for Content-Type ";
-
 const kMimeTypeRaiseIssue =
-    " is currently not supported.\nPlease raise an issue in API Dash GitHub repo so that we can add a Previewer for this content-type.";
+    "{% if showRaw %}Please click on 'Raw' to view the unformatted raw results as we{% else %}We{% endif %} encountered an error rendering this {% if showContentType %}Content-Type {% endif %}{{type}}.\nPlease raise an issue in API Dash GitHub repo so that we can look into this issue.";
 
 const kUnexpectedRaiseIssue =
     "\nIf the behaviour is unexpected, please raise an issue in API Dash GitHub repo so that we can resolve it.";
 
-const kVideoError =
-    "There seems to be an issue playing this video. Please raise an issue in API Dash GitHub repo so that we can resolve it.";
-
-const kImageError =
-    "There seems to be an issue rendering this image. Please raise an issue in API Dash GitHub repo so that we can resolve it.";
-
-const kSvgError =
-    "There seems to be an issue rendering this SVG image. Please raise an issue in API Dash GitHub repo so that we can resolve it.";
-
-const kPdfError =
-    "There seems to be an issue rendering this pdf. Please raise an issue in API Dash GitHub repo so that we can resolve it.";
-
-const kAudioError =
-    "There seems to be an issue playing this audio. Please raise an issue in API Dash GitHub repo so that we can resolve it.";
-
 const kRaiseIssue =
     "\nPlease raise an issue in API Dash GitHub repo so that we can resolve it.";
 
-const kCsvError =
-    "There seems to be an issue rendering this CSV. Please raise an issue in API Dash GitHub repo so that we can resolve it.";
-
 const kHintTextUrlCard = "Enter API endpoint like https://$kDefaultUri/";
 const kLabelPlusNew = "+ New";
 const kLabelSend = "Send";

lib/widgets/csv_previewer.dart

@@ -1,12 +1,15 @@
 import 'package:flutter/material.dart';
 import 'package:csv/csv.dart';
-import 'error_message.dart';
-import '../consts.dart';
 
 class CsvPreviewer extends StatelessWidget {
-  const CsvPreviewer({super.key, required this.body});
+  const CsvPreviewer({
+    super.key,
+    required this.body,
+    required this.errorWidget,
+  });
 
   final String body;
+  final Widget errorWidget;
 
   @override
   Widget build(BuildContext context) {
@@ -47,7 +50,7 @@ class CsvPreviewer extends StatelessWidget {
         ),
       );
     } catch (e) {
-      return const ErrorMessage(message: kCsvError);
+      return errorWidget;
     }
   }
 }

lib/widgets/previewer.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:jinja/jinja.dart' as jj;
 import 'package:printing/printing.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:vector_graphics_compiler/vector_graphics_compiler.dart';
@@ -34,6 +35,7 @@ class Previewer extends StatefulWidget {
 class _PreviewerState extends State<Previewer> {
   @override
   Widget build(BuildContext context) {
+    var errorTemplate = jj.Template(kMimeTypeRaiseIssue);
     if (widget.type == kTypeApplication && widget.subtype == kSubTypeJson) {
       try {
         var preview = JsonPreviewer(
@@ -53,14 +55,26 @@ class _PreviewerState extends State<Previewer> {
         );
         return svgImg;
       } catch (e) {
-        return const ErrorMessage(message: kSvgError);
+        return ErrorMessage(
+          message: errorTemplate.render({
+            "showRaw": true,
+            "showContentType": false,
+            "type": "svg",
+          }),
+        );
       }
     }
     if (widget.type == kTypeImage) {
       return Image.memory(
         widget.bytes,
         errorBuilder: (context, _, stackTrace) {
-          return const ErrorMessage(message: kImageError);
+          return ErrorMessage(
+            message: errorTemplate.render({
+              "showRaw": false,
+              "showContentType": false,
+              "type": kTypeImage,
+            }),
+          );
         },
       );
     }
@@ -69,7 +83,13 @@ class _PreviewerState extends State<Previewer> {
         build: (_) => widget.bytes,
         useActions: false,
         onError: (context, error) {
-          return const ErrorMessage(message: kPdfError);
+          return ErrorMessage(
+            message: errorTemplate.render({
+              "showRaw": false,
+              "showContentType": false,
+              "type": kSubTypePdf,
+            }),
+          );
         },
       );
     }
@@ -79,24 +99,49 @@ class _PreviewerState extends State<Previewer> {
         type: widget.type!,
         subtype: widget.subtype!,
         errorBuilder: (context, error, stacktrace) {
-          return const ErrorMessage(message: kAudioError);
+          return ErrorMessage(
+            message: errorTemplate.render({
+              "showRaw": false,
+              "showContentType": false,
+              "type": kTypeAudio,
+            }),
+          );
         },
       );
     }
     if (widget.type == kTypeText && widget.subtype == kSubTypeCsv) {
-      return CsvPreviewer(body: widget.body);
+      return CsvPreviewer(
+        body: widget.body,
+        errorWidget: ErrorMessage(
+          message: errorTemplate.render({
+            "showRaw": false,
+            "showContentType": false,
+            "type": kSubTypeCsv,
+          }),
+        ),
+      );
     }
     if (widget.type == kTypeVideo) {
       try {
         var preview = VideoPreviewer(videoBytes: widget.bytes);
         return preview;
       } catch (e) {
-        return const ErrorMessage(message: kVideoError);
+        return ErrorMessage(
+          message: errorTemplate.render({
+            "showRaw": false,
+            "showContentType": false,
+            "type": kTypeVideo,
+          }),
+        );
       }
     }
-    String message = widget.hasRaw
+    var errorText = errorTemplate.render({
-        ? "$kMimeTypeRawRaiseIssueStart${widget.type}/${widget.subtype}$kMimeTypeRaiseIssue"
+      "showRaw": widget.hasRaw,
-        : "$kMimeTypeRaiseIssueStart${widget.type}/${widget.subtype}$kMimeTypeRaiseIssue";
+      "showContentType": true,
-    return ErrorMessage(message: message);
+      "type": "${widget.type}/${widget.subtype}",
+    });
+    return ErrorMessage(
+      message: errorText,
+    );
   }
 }