Initial version of sasiedzi generated by generator-jhipster@8.7.2

src/main/webapp/app/shared/data/data-utils.service.ts

@@ -0,0 +1,160 @@
+/**
+ * An composable utility for data.
+ */
+const useDataUtils = () => ({
+  /**
+   * Method to abbreviate the text given
+   */
+  abbreviate(text, append = '...') {
+    if (text.length < 30) {
+      return text;
+    }
+    return text ? text.substring(0, 15) + append + text.slice(-10) : '';
+  },
+
+  /**
+   * Method to find the byte size of the string provides
+   */
+  byteSize(base64String) {
+    return this.formatAsBytes(this.size(base64String));
+  },
+
+  /**
+   * Method to open file
+   */
+  openFile(contentType, data) {
+    const byteCharacters = atob(data);
+    const byteNumbers = new Array(byteCharacters.length);
+    for (let i = 0; i < byteCharacters.length; i++) {
+      byteNumbers[i] = byteCharacters.charCodeAt(i);
+    }
+    const byteArray = new Uint8Array(byteNumbers);
+    const blob = new Blob([byteArray], {
+      type: contentType,
+    });
+    const objectURL = URL.createObjectURL(blob);
+    const win = window.open(objectURL);
+    if (win) {
+      win.onload = () => URL.revokeObjectURL(objectURL);
+    }
+  },
+
+  /**
+   * Method to convert the file to base64
+   */
+  toBase64(file, cb) {
+    const fileReader = new FileReader();
+    fileReader.readAsDataURL(file);
+    fileReader.onload = (e: any) => {
+      const base64Data = e.target.result.substring(e.target.result.indexOf('base64,') + 'base64,'.length);
+      cb(base64Data);
+    };
+  },
+
+  /**
+   * Method to clear the input
+   */
+  clearInputImage(entity, elementRef, field, fieldContentType, idInput) {
+    if (entity && field && fieldContentType) {
+      if (Object.hasOwn(entity, field)) {
+        entity[field] = null;
+      }
+      if (Object.hasOwn(entity, fieldContentType)) {
+        entity[fieldContentType] = null;
+      }
+      if (elementRef && idInput && elementRef.nativeElement.querySelector(`#${idInput}`)) {
+        elementRef.nativeElement.querySelector(`#${idInput}`).value = null;
+      }
+    }
+  },
+
+  endsWith(suffix, str) {
+    return str.indexOf(suffix, str.length - suffix.length) !== -1;
+  },
+
+  paddingSize(value) {
+    if (this.endsWith('==', value)) {
+      return 2;
+    }
+    if (this.endsWith('=', value)) {
+      return 1;
+    }
+    return 0;
+  },
+
+  size(value) {
+    return (value.length / 4) * 3 - this.paddingSize(value);
+  },
+
+  formatAsBytes(size) {
+    return `${size.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ')} bytes`;
+  },
+
+  setFileData(event, entity, field, isImage) {
+    if (event && event.target.files && event.target.files[0]) {
+      const file = event.target.files[0];
+      if (isImage && !/^image\//.test(file.type)) {
+        return;
+      }
+      this.toBase64(file, base64Data => {
+        entity[field] = base64Data;
+        entity[`${field}ContentType`] = file.type;
+      });
+    }
+  },
+
+  /**
+   * Method to download file
+   */
+  downloadFile(contentType, data, fileName) {
+    const byteCharacters = atob(data);
+    const byteNumbers = new Array(byteCharacters.length);
+    for (let i = 0; i < byteCharacters.length; i++) {
+      byteNumbers[i] = byteCharacters.charCodeAt(i);
+    }
+    const byteArray = new Uint8Array(byteNumbers);
+    const blob = new Blob([byteArray], {
+      type: contentType,
+    });
+    const tempLink = document.createElement('a');
+    tempLink.href = window.URL.createObjectURL(blob);
+    tempLink.download = fileName;
+    tempLink.target = '_blank';
+    tempLink.click();
+  },
+
+  /**
+   * Method to parse header links
+   */
+  parseLinks(header) {
+    const links = {};
+
+    if ((header?.indexOf(',') ?? -1) === -1) {
+      return links;
+    }
+    // Split parts by comma
+    const parts = header.split(',');
+
+    // Parse each part into a named link
+    parts.forEach(p => {
+      if (p.indexOf('>;') === -1) {
+        return;
+      }
+      const section = p.split('>;');
+      const url = section[0].replace(/<(.*)/, '$1').trim();
+      const queryString = { page: null };
+      url.replace(new RegExp(/([^?=&]+)(=([^&]*))?/g), ($0, $1, $2, $3) => {
+        queryString[$1] = $3;
+      });
+      let page = queryString.page;
+      if (typeof page === 'string') {
+        page = parseInt(page, 10);
+      }
+      const name = section[1].replace(/rel="(.*)"/, '$1').trim();
+      links[name] = page;
+    });
+    return links;
+  },
+});
+
+export default useDataUtils;