unclean SPARC

2025-08-27 07:03:09 +00:00
commit f308460931
430 changed files with 54426 additions and 0 deletions
@@ -0,0 +1,77 @@
+if(!app.helpers) app.helpers = {}
+/**
+ * Helper for data transformation.
+ * @class Translator
+ * @category MyEic
+ * @subcategory Helpers
+ */
+app.helpers.translator = {
+    toCSV(collection, options /* keys=null, withHeader=true, quoteChar = '"', delimiter = ';', downloadName=null */) {
+        
+        let defaultOptions = {
+            headers: [],
+            delimiter: ',',
+            quoteCharacter: '"',
+            filename: 'data'
+        }
+
+        options = {...defaultOptions, ...options}
+        /**/
+        const _download = function(data, filename) {
+            
+            const blob = new Blob([new Uint8Array([0xEF, 0xBB, 0xBF]), data], { type: 'text/csv; charset=utf-8' });
+            const url = window.URL.createObjectURL(blob);
+            const a = document.createElement('a');
+            a.setAttribute('href', url);
+            a.setAttribute('download', filename + '.csv');
+            a.click();
+        }       
+
+        if(!options.keys) { // take min. common set of keys in collection (take 1st then successively intersect to itself)
+            let ids = Object.keys(collection);
+            options.keys = Object.keys(collection[ids[0]]);
+            for(let id of ids) {
+                options.keys = options.keys.filter(x => (collection[id].hasOwnProperty(x)))
+            }
+        }
+
+        let csv=''; 
+        let row=[];
+        
+        if(options.headers && options.headers.length > 0){
+            for(let key of options.headers) {
+                row.push(options.quoteCharacter + key + options.quoteCharacter);
+            }
+            csv += row.join(options.delimiter)+'\n';
+        } else if(Array.isArray(options.headers)) {
+            for(let title of options.headers){
+                row.push(options.quoteCharacter + title + options.quoteCharacter);
+            }
+            csv += row.join(options.delimiter)+'\n';   
+        }
+        for(let id in collection){
+            row = [];
+            for(let key of options.keys){
+                let item = ''
+                if(typeof(key)=='string'){ // normal column
+                    item = collection[id]
+                    for(let k of key.split('.')) { // Allow for sub-objects with dotted keys notation
+                        if(!item) break
+                        item = item[k] 
+                    }   
+                } else if(typeof(key)=='function') { // computed column
+                    item = key(collection[id])
+                } else console.warn('CSV: Bad column: ',key)
+                row.push(options.quoteCharacter + item + options.quoteCharacter);
+            }
+            csv += row.join(options.delimiter)+'\n';
+        }
+        
+        if(options.filename) _download(csv, options.filename);
+
+        return(csv);
+    },
+    fromCSV() {
+
+    }
+}