[DockerApi] Rename DockerApi to Controller and add mailcow-adm tool

data/Dockerfiles/controller/mailcow-adm/modules/Reader.py

@@ -0,0 +1,51 @@
+from jinja2 import Environment, Template
+import csv
+
+def split_at(value, sep, idx):
+    try:
+        return value.split(sep)[idx]
+    except Exception:
+        return ''
+
+class Reader:
+    """
+    Reader class to handle reading and processing of CSV and JSON files for mailcow.
+    """
+
+    def __init__(self):
+        pass
+
+    def read_csv(self, file_path, delimiter=',', encoding='iso-8859-1'):
+        """
+        Read a CSV file and return a list of dictionaries.
+        Each dictionary represents a row in the CSV file.
+        :param file_path: Path to the CSV file.
+        :param delimiter: Delimiter used in the CSV file (default: ',').
+        """
+        with open(file_path, mode='r', encoding=encoding) as file:
+            reader = csv.DictReader(file, delimiter=delimiter)
+            reader.fieldnames = [h.replace(" ", "_") if h else h for h in reader.fieldnames]
+            return [row for row in reader]
+
+    def map_csv_data(self, data, mapping_file_path, encoding='iso-8859-1'):
+        """
+        Map CSV data to a specific structure based on the provided Jinja2 template file.
+        :param data: List of dictionaries representing CSV rows.
+        :param mapping_file_path: Path to the Jinja2 template file.
+        :return: List of dictionaries with mapped data.
+        """
+        with open(mapping_file_path, 'r', encoding=encoding) as tpl_file:
+            template_content = tpl_file.read()
+        env = Environment()
+        env.filters['split_at'] = split_at
+        template = env.from_string(template_content)
+
+        mapped_data = []
+        for row in data:
+            rendered = template.render(**row)
+            try:
+                mapped_row = eval(rendered)
+            except Exception:
+                mapped_row = rendered
+            mapped_data.append(mapped_row)
+        return mapped_data