Added vcf to csv functionality

controllers/__init__.py

@@ -2,4 +2,5 @@
 from .ping import ping
 from .headers import headers
 from .vcf import vcf
-from .template import template
+from .template import template
+from .vcf2csv import vcf2csv

controllers/vcf2csv.py

@@ -0,0 +1,74 @@
+from flask import request, Response
+import vobject
+import csv
+import io
+
+
+def vcf2csv():
+    if "file" not in request.files or not request.files["file"]:
+        return "No file uploaded", 400
+    file = request.files["file"]
+    if not file.filename.lower().endswith(".vcf"):
+        return "Invalid file type. Only VCF files are allowed", 400
+
+    vcfFile = vobject.readComponents(file.read().decode("utf-8"))
+    csvFile = io.StringIO()
+    writer = csv.writer(csvFile)
+    writer.writerow(
+        [
+            "Prefix",
+            "First Name",
+            "Middle Name",
+            "Last Name",
+            "Suffix",
+            "Phone Number",
+            "Email Address",
+            "Gender",
+        ]
+    )
+    for entry in vcfFile:
+
+        # name
+        prefix, firstName, middleName, lastName, suffix = (
+            entry.n.value.prefix or None,
+            entry.n.value.given or None,
+            entry.n.value.additional or None,
+            entry.n.value.family or None,
+            entry.n.value.suffix or None,
+        )
+
+        # Extract phone numbers
+        phone = (
+            "/".join([tel.value for tel in entry.tel_list])
+            if hasattr(entry, "tel")
+            else None
+        )
+
+        # Extract emails
+        email = (
+            "/".join([email.value for email in entry.email_list])
+            if hasattr(entry, "email")
+            else None
+        )
+
+        # Extract gender (if available)
+        genderMap={
+            "M":"Male",
+            "F":"Female",
+            "U":"Unknown",
+            "O":"Other",
+            "N":"None",
+            None:""
+        }
+        gender = genderMap.get(entry.gender.value if hasattr(entry, "gender") else None,"")
+
+        writer.writerow(
+            [prefix, firstName, middleName, lastName, suffix, phone, email, gender]
+        )
+
+    csvFile.seek(0)
+    return Response(
+            csvFile,
+            mimetype='text/csv',
+            headers={"Content-Disposition": "attachment;filename=contacts.csv"}
+        )

routers/routers.py

@@ -6,4 +6,5 @@
 router.add_url_rule('/ping', 'ping', ping,methods=["GET"])
 router.add_url_rule("/api/headers","headers",headers,methods=["POST"])
 router.add_url_rule("/api/vcf","vcf",vcf,methods=["POST"])
-router.add_url_rule("/api/template","template",template,methods=["GET"])
+router.add_url_rule("/api/template","template",template,methods=["GET"])
+router.add_url_rule("/api/vcf2csv", "vcf2csv", vcf2csv, methods=["POST"])