Add validation and error handling for file inputs

app/directives/tc-file-input/tc-file-input.directive.js

@@ -6,20 +6,25 @@
   function tcFileInput() {
     return {
       restrict: 'E',
-      require: '^form',
+      require: ['^form', '^ngModel'],
       templateUrl: 'directives/tc-file-input/tc-file-input.html',
       scope: {
         labelText: '@',
         fieldId: '@',
         placeholder: '@',
         fileType: '@',
+        showFileType: '=',
         mandatory: '=',
         buttonText: '@',
         setFileReference: '&',
-        fileValue: '=ngModel'
+        ngModel: '='
       },
-      link: function(scope, element, attrs, formController) {
+      link: function(scope, element, attrs, controllers) {
+        var formController = controllers[0];
+        var ngModel = controllers[1];
+
         scope.selectFile = selectFile;
+        var fileTypes = scope.fileType.split(',');
 
         // fieldId is not set on element at this point, so grabbing with class .none
         // which exists on the element right away
@@ -29,12 +34,28 @@
         fileInput.bind('change', function() {
           var file = fileInput[0].files[0];
 
-          // Pass file object up through callback into controller
-          scope.setFileReference({file: file, fieldId: scope.fieldId});
+          var selectedFileType = file.type.slice(file.type.lastIndexOf('/') + 1);
+          var isAllowedFileFormat = _.some(fileTypes, _.matches(selectedFileType));
+
+          scope.$apply(function(){
+            if (!isAllowedFileFormat) {
+              fileNameInput[0].value = file.name;
+
+              // Manually setting is required since Angular doesn't support file inputs
+              formController[attrs.fieldId].$setTouched();
+              formController[attrs.fieldId].$setValidity('required', false);
+
+            } else {
+              // Pass file object up through callback into controller
+              scope.setFileReference({file: file, fieldId: scope.fieldId});
+
+              // Set the file name as the value of the disabled input
+              fileNameInput[0].value = file.name;
 
-          // Set the file name as the value of the disabled input
-          fileNameInput[0].value = file.name;
-          formController[attrs.fieldId].$setValidity('required', true);
+              // Manually set validity of specific input field
+              formController[attrs.fieldId].$setValidity('required', true);
+            }
+          });
         });
 
         function selectFile() {

app/directives/tc-file-input/tc-file-input.jade

@@ -1,12 +1,12 @@
 .tc-file-field__label
   label.tc-label {{labelText}}
-    span.lowercase(ng-if="fileType") {{fileType | addBeginningSpace}}
+    span.lowercase(ng-if="showFileType") {{ ' *(.' + fileType + ')'}}
 
     span.tc-label__mandatory.lowercase(ng-if="mandatory") #[span *]mandatory
 
 .tc-file-field__inputs
-  input.tc-file-field__input(type="text", placeholder="{{placeholder}}")
+  input.tc-file-field__input(type="text", placeholder="{{placeholder}}", disabled)
 
   button.tc-btn(ng-click="selectFile()") {{buttonText}}
 
-  input.none(name="{{fieldId}}", type="file", id="{{fieldId}}", required, ng-model="fileValue")
+  input.none(name="{{fieldId}}", type="file", required, ng-model="ngModel")

app/submissions/submit-file/submit-file.jade

@@ -29,35 +29,56 @@
             label-text="Submission",
             field-id="SUBMISSION_ZIP",
             button-text="Add File",
-            file-type="(*.zip)",
+            file-type="zip",
+            show-file-type="true",
             placeholder="Attach all visible files as a single .zip file",
             mandatory="true",
             set-file-reference="vm.setFileReference(file, fieldId)",
-            file-value="vm.submissionForm.submissionZip"
+            ng-model="vm.submissionForm.submissionZip"
           )
 
+          .tc-error-messages(ng-show="submissionForm['SUBMISSION_ZIP'].$touched && submissionForm['SUBMISSION_ZIP'].$invalid")
+            p(ng-show="submissionForm['SUBMISSION_ZIP'].$error.required") This is not the correct file format. Please select a .zip file.
+
           tc-file-input.tc-file-field(
             label-text="Source",
             field-id="SOURCE_ZIP",
             button-text="Add File",
-            file-type="(*.zip)",
+            file-type="zip",
+            show-file-type="true",
             placeholder="Attach all source files as a single .zip file",
             mandatory="true",
             set-file-reference="vm.setFileReference(file, fieldId)",
-            file-value="vm.submissionForm.sourceZip"
+            ng-model="vm.submissionForm.sourceZip"
           )
 
+          .tc-error-messages(ng-show="submissionForm['SOURCE_ZIP'].$touched && submissionForm['SOURCE_ZIP'].$invalid")
+            p(ng-show="submissionForm['SOURCE_ZIP'].$error.required") This is not the correct file format. Please select a .zip file.
+
           tc-file-input.tc-file-field(
             label-text="Preview Image",
             field-id="DESIGN_COVER",
             button-text="Add File",
+            file-type="jpg,jpeg,png"
             placeholder="Image file as .jpg or .png",
             mandatory="true",
             set-file-reference="vm.setFileReference(file, fieldId)",
-            file-value="vm.submissionForm.designCover"
+            ng-model="vm.submissionForm.designCover"
+          )
+
+          .tc-error-messages(ng-show="submissionForm['DESIGN_COVER'].$touched && submissionForm['DESIGN_COVER'].$invalid")
+            p(ng-show="submissionForm['DESIGN_COVER'].$error.required") This is not the correct file format. Please select a .jpg or .png file.
+
+          tc-input.fieldset__input.submitterRank(
+            label-text="Rank #",
+            input-name="Submission_Rank",
+            input-value="vm.submissionForm.submitterRank",
+            input-pattern="vm.rankRegEx",
+            update-value-on-blur="vm.setRankTo1(inputValue)"
           )
 
-          tc-input.fieldset__input.submitterRank(label-text="Rank #", input-value="vm.submissionForm.submitterRank")
+          .tc-error-messages(ng-show="submissionForm.Submission_Rank.$dirty && submissionForm.Submission_Rank.$invalid")
+            p(ng-show="submissionForm.Submission_Rank.$error.pattern") Please enter a positive integer.
 
     .form-block.flex.wrap
       .form-block__instructions
@@ -104,13 +125,15 @@
             tc-input.fieldset__input(
               label-text="Font Name",
               placeholder="Select font source to edit field"
-              input-value="font.name"
+              input-value="font.name",
+              input-name="fontName{{$index}}"
             )
 
             tc-input.fieldset__input(
               label-text="Font URL",
               placeholder="Select font source to edit field",
-              input-value="font.sourceUrl"
+              input-value="font.sourceUrl",
+              input-name="fontUrl{{$index}}"
             )
 
           button.fieldset__button.tc-btn.tc-btn-s(type="button", ng-click="vm.createAnotherFontFieldset()") + Add Font