Add update query for old monitors and save new data correctly

db/patch-http-body-encoding.sql

@@ -1,6 +1,12 @@
 -- You should not modify if this have pushed to Github, unless it does serious wrong with the db.
 BEGIN TRANSACTION;
 
-ALTER TABLE [monitor] ADD http_body_encoding VARCHAR(25);
+ALTER TABLE monitor ADD http_body_encoding VARCHAR(25);
+
+COMMIT;
+
+BEGIN TRANSACTION;
+
+UPDATE monitor SET http_body_encoding = 'json' WHERE (type = 'http' or type = 'keyword') AND http_body_encoding IS NULL;
 
 COMMIT;

src/pages/EditMonitor.vue

@@ -952,6 +952,7 @@ message HealthCheckResponse {
          * @returns {void}
          */
         async submit() {
+
             this.processing = true;
 
             if (!this.isInputValid()) {
@@ -964,6 +965,10 @@ message HealthCheckResponse {
                 this.monitor.body = JSON.stringify(JSON.parse(this.monitor.body), null, 4);
             }
 
+            if (this.monitor.type && this.monitor.type !== "http" && this.monitor.type !== "keyword") {
+                this.monitor.httpBodyEncoding = null;
+            }
+
             if (this.monitor.headers) {
                 this.monitor.headers = JSON.stringify(JSON.parse(this.monitor.headers), null, 4);
             }