init

front/js/svelte/records/Preview.js

@@ -0,0 +1,44 @@
+import Mustache from "mustache";
+import {stripHtml} from "../../helpers";
+
+export function previewTitle(schemas, record, graph) {
+    let schema = schemas.find((aschema) => aschema.name === record?._sys.schema);
+
+    if (!schema?.titleTemplate) {
+        return noTemplate(schema, record);
+    }
+
+    let recordData = record.data;
+    let template = Mustache.parse(schema.titleTemplate);
+
+    let referencePreviews = template
+        .filter(segment => segment[0] == "name") // keep only template tags
+        .map((segment) => segment[1]) // map to fieldNames
+        .filter(fieldName => { // keep only references
+            let schemaField = schema.fields.find(f => f.name === fieldName)
+            return schemaField?.info.name === "reference";
+        }).reduce((carry, field) => {  // map to records
+            let edge = graph.edges.find(edge => edge.source === record.id && edge.field === field)
+            let referenceRecord = graph.records.find(rec => rec.id === edge?.target)
+            carry[field] = previewTitle(schemas, referenceRecord, graph);
+            return carry;
+        }, {});
+    recordData = {...recordData, ...referencePreviews}
+
+    let render = Mustache.render(schema.titleTemplate, recordData);
+
+    if (!render || render === "") {
+        return noTemplate(schema, record);
+    }
+
+    return stripHtml(render.slice(0, 300));
+}
+
+function noTemplate(schema, record) {
+    if (schema?.type === "files") {
+        return record._file.path;
+    }
+    return stripHtml(
+        record?.data[schema.fields.filter((f) => f.info.name === "text")[0]?.name]
+    ).slice(0, 300);
+}