Dodao servis za parsiranje csv stringova, ucitao fajl sa backenda kada korisnik izabere postojeci dataset u add-model. Dodao delimiter u dataset klasu.

1 files changed, 53 insertions, 0 deletions

diff --git a/frontend/src/app/_services/csv-parse.service.ts b/frontend/src/app/_services/csv-parse.service.ts
new file mode 100644
index 00000000..d53f504e
--- /dev/null
+++ b/frontend/src/app/_services/csv-parse.service.ts
@@ -0,0 +1,53 @@
+import { Injectable } from "@angular/core";
+@Injectable({ providedIn: 'root' })
+export class CsvParseService {
+
+  csvToArray(strData: string, strDelimiter: string): string[][] {
+    strDelimiter = (strDelimiter || ",");
+
+    let objPattern = new RegExp(
+      (
+        // Delimiters.
+        "(\\" + strDelimiter + "|\\r?\\n|\\r|^)" +
+
+        // Quoted fields.
+        "(?:\"([^\"]*(?:\"\"[^\"]*)*)\"|" +
+
+        // Standard fields.
+        "([^\"\\" + strDelimiter + "\\r\\n]*))"
+      ),
+      "gi"
+    );
+
+    let arrData: string[][] = [[]];
+
+    let arrMatches = null;
+
+    while (arrMatches = objPattern.exec(strData)) {
+
+      let strMatchedDelimiter = arrMatches[1];
+
+      if (
+        strMatchedDelimiter.length &&
+        strMatchedDelimiter !== strDelimiter
+      ) {
+        arrData.push([]);
+      }
+
+      let strMatchedValue;
+
+      if (arrMatches[2]) {
+        strMatchedValue = arrMatches[2].replace(
+          new RegExp("\"\"", "g"),
+          "\""
+        );
+      } else {
+        strMatchedValue = arrMatches[3];
+      }
+
+      arrData[arrData.length - 1].push(strMatchedValue);
+    }
+
+    return (arrData);
+  }
+}
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