2 files changed, 93 insertions, 1 deletions
diff --git a/static/js/fouc.js b/static/js/fouc.js
index c1414d9b..c3270bf8 100644
--- a/static/js/fouc.js
+++ b/static/js/fouc.js
@@ -31,6 +31,6 @@ document.onreadystatechange = function () {
             'https://pro.fontawesome.com/releases/v5.0.13/js/all.js',  // URL
             'sha384-d84LGg2pm9KhR4mCAs3N29GQ4OYNy+K+FBHX8WhimHpPm86c839++MDABegrZ3gn',  // Integrity
             'anonymous'  // Cross-origin
-        )
+        );
     }
 }
 \ No newline at end of file
diff --git a/static/js/jams.js b/static/js/jams.js
new file mode 100644
index 00000000..bdce1060
--- /dev/null
+++ b/static/js/jams.js
@@ -0,0 +1,92 @@
+"use strict";
+
+function refreshLock() {
+    console.log("Refreshing lock");
+    let oReq = new XMLHttpRequest();
+    oReq.addEventListener("load", function() {
+        let response = JSON.parse(this.responseText);
+
+        if (response.error !== undefined) {
+            document.getElementById("submit").disabled = true;
+
+            if (response.error_lines !== undefined) {
+                editor.session.setAnnotations(response.error_lines);
+                document.getElementById("preview-div").innerHTML ="<h3>Error - see editor margin</h3>";
+            } else {
+                console.log("Error: " + response.error);
+                document.getElementById("preview-div").innerHTML ="<h3>Error</h3><p>" + response.error + "<p>";
+            }
+        } else {
+            document.getElementById("submit").disabled = false;
+            document.getElementById("preview-div").innerHTML = response.data;
+
+            editor.session.setAnnotations([]);
+        }
+    });
+
+    let data = editor.getValue();
+
+    if (data.replace("\s", "").length < 1 || document.getElementById("title").value.length < 1) {
+        document.getElementById("submit").disabled = true;
+        return false;
+    }
+
+    oReq.open("POST", "/render");
+
+    oReq.setRequestHeader("Content-type", "application/json");
+    oReq.setRequestHeader("X-CSRFToken", csrf_token);
+
+    oReq.send(JSON.stringify({"data": editor.getValue()}));
+}
+
+class Actions {
+    constructor(url, csrf_token) {
+        this.url = url;
+        this.csrf_token = csrf_token;
+    }
+
+    send(action, method, data, callback) {
+        let oReq = new XMLHttpRequest();
+
+        oReq.addEventListener("load", function() {
+            try {
+                data = JSON.parse(this.responseText);
+            } catch (e) {
+                return callback(false);
+            }
+
+            if ("error_code" in data) {
+                return callback(false, data);
+            }
+
+            return callback(true, data);
+        });
+
+        data["action"] = action;
+
+        let params = this.get_params(data);
+        let url = this.url + "?" + params;
+
+        oReq.open(method, url);
+        oReq.setRequestHeader("X-CSRFToken", this.csrf_token);
+        oReq.send();
+    }
+
+    get_params(data) {  // https://stackoverflow.com/a/12040639
+        return Object.keys(data).map(function(key) {
+            return [key, data[key]].map(encodeURIComponent).join("=");
+        }).join("&");
+    }
+
+    set_state(jam, state, callback) {
+        this.send(
+            "state",
+            "POST",
+            {
+                "jam": jam,
+                "state": state
+            },
+            callback
+        );
+    }
+}
+\ No newline at end of file