Fix issues with asset upload

It didn't work when creating a new project or editing personal projects,
due to routing issues. I also took this opportunity to make the script
support multiple form submit buttons, since in some cases we will have a
submit button on each tab, and I figured they all should respect the
fact that you have an upload in progress.

public/js/markdown_upload.js

@@ -1,28 +1,31 @@
-/* Requires base64.js
+// Requires base64.js
 
-Usage: setupMarkdownUpload(eSubmit, eFileInput, eUploadBar, eText, doMarkdown, maxFileSize, uploadUrl)
+/**
-eSubmit is the element of the button to submit/save the markdown changes. It
+ * Sets up file / image uploading for Markdown content.
-	will be disabled and tell users files are uploading while uploading is
+ *
-	happening.
+ * @param eSubmits A list of elements of buttons to submit/save the page you're on. They
-eFileInput is the <input type="file">
+ *                 will be disabled and tell users files are uploading while uploading is
-eUploadBar usually looks like
+ *                 happening.
-	<div class="upload_bar flex-grow-1">
+ * @param eFileInput The `<input type="file">`
-		<div class="instructions">
+ * @param eUploadBar Usually looks like
-			Upload files by dragging & dropping, pasting, or <label class="pointer link" for="file_input">selecting</label> them.
+ *                   ```
-		</div>
+ *                   <div class="upload_bar flex-grow-1">
-		<div class="progress flex">
+ *                     <div class="instructions">
-			<div class="progress_text mr3"></div>
+ *                       Upload files by dragging & dropping, pasting, or <label class="pointer link" for="file_input">selecting</label> them.
-			<div class="progress_bar flex-grow-1 flex-shrink-1 pa1"><div class=""></div></div>
+ *                     </div>
-		</div>
+ *                     <div class="progress flex">
-	</div>
+ *                       <div class="progress_text mr3"></div>
-eText is the text field that can be dropped into and is editing the markdown.
+ *                       <div class="progress_bar flex-grow-1 flex-shrink-1 pa1"><div class=""></div></div>
-doMarkdown is the function returned by initLiveMarkdown.
+ *                     </div>
-maxFileSize
+ *                   </div>
-uploadUrl
+ *                   ```
-*/
+ * @param eText The text field that can be dropped into and is editing the markdown.
-
+ * @param doMarkdown The function returned by `initLiveMarkdown`.
-function setupMarkdownUpload(eSubmit, eFileInput, eUploadBar, eText, doMarkdown, maxFileSize, uploadUrl) {
+ * @param maxFileSize The max allowed file size in bytes.
-	const submitText = eSubmit.value;
+ * @param uploadUrl The URL to POST assets to (unique per project to avoid CORS issues).
+ */
+function setupMarkdownUpload(eSubmits, eFileInput, eUploadBar, eText, doMarkdown, maxFileSize, uploadUrl) {
+	const submitTexts = Array.from(eSubmits).map(e => e.value);
 	const uploadProgress = eUploadBar.querySelector('.progress');
 	const uploadProgressText = eUploadBar.querySelector('.progress_text');
 	const uploadProgressBar = eUploadBar.querySelector('.progress_bar');
@@ -207,8 +210,10 @@ function setupMarkdownUpload(eSubmit, eFileInput, eUploadBar, eText, doMarkdown,
 				uploadProgressText.textContent = `Uploading files ${currentBatchDone+1}/${currentBatchSize}`;
 				eUploadBar.classList.add("uploading");
 				uploadProgressBarFill.style.width = "0%";
-				eSubmit.disabled = true;
+				for (const e of eSubmits) {
-				eSubmit.value = "Uploading files...";
+					e.disabled = true;
+					e.value = "Uploading files...";
+				}
 
 				try {
 					let utf8Filename = strToUTF8Arr(next.file.name);
@@ -228,8 +233,10 @@ function setupMarkdownUpload(eSubmit, eFileInput, eUploadBar, eText, doMarkdown,
 					uploadNext();
 				}
 			} else {
-				eSubmit.disabled = false;
+				for (const [i, e] of eSubmits.entries()) {
-				eSubmit.value = submitText;
+					e.disabled = false;
+					e.value = submitTexts[i];
+				}
 				eUploadBar.classList.remove("uploading");
 				currentBatchSize = 0;
 				currentBatchDone = 0;

src/migration/seed.go

@@ -163,16 +163,8 @@ func SampleSeed() {
 		}
 	}
 
-	// admin := CreateAdminUser("admin", "12345678")
+	// Finally, set sequence numbers to things that won't conflict
-	// user := CreateUser("regular_user", "12345678")
+	utils.Must1(tx.Exec(ctx, "SELECT setval('project_id_seq', 100, true);"))
-	// hmnProject := CreateProject("hmn", "Handmade Network")
-	// Create category
-	// Create thread
-	// Create accepted user project
-	// Create pending user project
-	// Create showcase items
-	// Create codelanguages
-	// Create library and library resources
 
 	utils.Must0(tx.Commit(ctx))
 }

src/templates/src/editor.html

@@ -123,7 +123,7 @@
     / Asset upload
     */ 
     setupMarkdownUpload(
-        document.querySelector("#form input[type=submit]"),
+        document.querySelectorAll("#form input[type=submit]"),
         document.querySelector('#file_input'),
         document.querySelector('.upload_bar'),
         textField,

src/templates/src/project_edit.html

@@ -389,7 +389,7 @@
 	// Asset upload //
 	//////////////////
 	setupMarkdownUpload(
-		document.querySelector("#project_form [data-name=Description] input[type=submit]"),
+		document.querySelectorAll("#project_form input[type=submit]"),
 		document.querySelector('#file_input'),
 		document.querySelector('.upload_bar'),
 		description,

src/website/routes.go

@@ -186,14 +186,15 @@ func NewWebsiteRoutes(conn *pgxpool.Pool) http.Handler {
 				fmt.Sprintf("blog%s", c.PathParams["remainder"]), nil,
 			), http.StatusMovedPermanently)
 		})
+
+		rb.POST(hmnurl.RegexAssetUpload, AssetUpload)
 	}
 	officialProjectRoutes := anyProject.WithMiddleware(officialProjectMiddleware)
 	personalProjectRoutes := hmnOnly.Group(hmnurl.RegexPersonalProject, personalProjectMiddleware)
 	attachProjectRoutes(&officialProjectRoutes)
 	attachProjectRoutes(&personalProjectRoutes)
 
-	anyProject.POST(hmnurl.RegexAssetUpload, AssetUpload)
+	// TODO(ben): Uh, should these all be pulled into the project route group above...?
-
 	anyProject.GET(hmnurl.RegexEpisodeList, EpisodeList)
 	anyProject.GET(hmnurl.RegexEpisode, Episode)
 	anyProject.GET(hmnurl.RegexCineraIndex, CineraIndex)