EmailDone2

apps/ailbl-admin_email-insert-get-filter.py

@@ -10,7 +10,7 @@ from schemas import UserEmailRequest
 
 
 @dataclasses.dataclass  # Filter user bao nhieu email
-class EmailFilter:
+class EmailFilter:  # Tao ra class EmailFilter => Dung cls de khoi tao EmailFilter thanh doi tuong roi
     ids: typing.Optional[typing.List[str]] = None
     email: typing.Optional[str] = None
     provider: typing.Optional[str] = None
@@ -21,10 +21,11 @@ class EmailFilter:
     keywords: typing.Optional[str] = None
     primary: typing.Optional[bool] = None
 
+    # Tao method tu class do(Chinh la phuong thuc cua EmailFilter), cls chinh ra ham khoi tao
     @classmethod
     def from_request_queries(cls) -> "EmailFilter":
         return cls(
-            ids=request.args.getlist("filter[ids]"),
+            ids=request.args.getlist("filter[ids]"), # Dung object request doc du lieu client gui len roi nhet vao cac file nay
             email=request.args.get("filter[email]"),
             provider=request.args.get("filter[provider]"),
             created_from=request.args.get("filter[created_from]"),
@@ -43,7 +44,7 @@ class Page:
     asc: bool = False
 
     @classmethod
-    def from_request_queries(cls) -> "Page":
+    def from_request_queries(cls) -> "Page":  # => Doi Tuong Page
         return Page(
             page=int(request.args.get("page", 0)),
             size=int(request.args.get("size", 10)),
@@ -58,7 +59,7 @@ class EmailPage(Page):
         default_factory=EmailFilter.from_request_queries)
 
     @classmethod
-    def from_request_queries(cls) -> "EmailPage":
+    def from_request_queries(cls) -> "EmailPage":  # => Doi tuong EmailPage
         base = Page.from_request_queries()
         return cls(**dataclasses.asdict(base), sortby=request.args.get("sortby"))
 
@@ -134,7 +135,7 @@ def filter_emails():
     try:
         conn = init_db_connection()
         with conn.cursor() as cursor:
-            records = __filter_email(cursor, paging, user_id)
+            records = __filter_email(cursor, paging, user_id) # Goi 
 
             return jsonify(
                 records,

apps/ailbl-users_email_insert-get.py

@@ -43,25 +43,28 @@ class Page:
     asc: bool = False
 
     @classmethod
-    def from_request_queries(cls) -> "Page":
+    def from_request_queries(cls) -> "Page": # Phan Trang Email
         return Page(
-            page=int(request.args.get("page", 0)),
+            page=int(request.args.get("page", 0)), # Neu Client khong truyen Page maic dinh la page 0 (trang 1) va size 10(10 phan tu)
             size=int(request.args.get("size", 10)),
             asc=request.args.get("asc", type=str_to_bool) or False
         )
 
 
 @dataclasses.dataclass
-class EmailPage(Page):
+class EmailPage(Page): # Ke thua Page
     sortby: typing.Optional[str] = None
     filter: EmailFilter = dataclasses.field(
-        default_factory=EmailFilter.from_request_queries)
-
+        default_factory=EmailFilter.from_request_queries) # Dung qua object field filter theo dang composition 
+    # Khi tạo EmailPage mà không truyền sẵn filter, Python sẽ tự gọi EmailFilter.from_request_queries()
+    # Nếu khi tạo object mà field này không được truyền vào, thì hãy gọi HÀM NÀY để tạo giá trị mặc định cho field đó   
+    # = dataclasses.field(...) → cấu hình thêm: => Dùng default_factory để tự tạo giá trị nếu bạn không truyền.
+    
     @classmethod
     def from_request_queries(cls) -> "EmailPage":
-        base = Page.from_request_queries()
+        base = Page.from_request_queries() # lấy page, size, asc từ URL
         return cls(**dataclasses.asdict(base), sortby=request.args.get("sortby"))
-
+        # ở đây không truyền filter -> default_factory được kích hoạt
 
 def main():
     """
@@ -126,7 +129,8 @@ def user_insert_email():
 
 
 def user_filter_emails():
-    paging = EmailPage.from_request_queries()
+    paging = EmailPage.from_request_queries() #paging là object EmailPage
+    
     user_id = request.headers.get(
         "X-UserId")  # X-Fission lay tren path
     if not user_id:
@@ -149,11 +153,12 @@ def user_filter_emails():
             conn.close()
 
 
-def __filter_email(cursor, paging: EmailPage, user_id: str):
-    conditions = ["user_id = %(user_id)s"]
-    values = {"user_id": user_id}
-    if paging.filter.ids:
-        conditions.append("id = ANY(%(ids)s)")
+def __filter_email(cursor, paging: EmailPage, user_id: str): #Tất cả đều là đọc field trong object EmailFilter đặt trong field filter của EmailPage.
+    # Truyen vao 3 tham so cursor, class EmailPage(Page+Filter), user_id kratos de check xem bao nhieu mail
+    conditions = ["user_id = %(user_id)s"] # = SQL Where
+    values = {"user_id": user_id} # user_id Kratos truyen vao
+    if paging.filter.ids: #paging.filter là object EmailFilter bên trong paging
+        conditions.append("id = ANY(%(ids)s)") # addpend them value vao conditions
         values["ids"] = paging.filter.ids
     if paging.filter.email:
         conditions.append("LOWER(email) LIKE %(email)s")
@@ -177,25 +182,27 @@ def __filter_email(cursor, paging: EmailPage, user_id: str):
         conditions.append(
             "(LOWER(email) LIKE %(keywords)s OR LOWER(provider) LIKE %(keywords)s)")
         values["keywords"] = f"%{paging.filter.keywords.lower()}%"
-
-    where_clause = " AND ".join(conditions)
-    if where_clause:
+        
+    # conditions la 1 list cac doan dieu kien where
+    where_clause = " AND ".join(conditions) 
+    if where_clause: # neu conditions co gia tri thi them WHERE neu khong thi khong them Where => Tránh thêm "WHERE " khi conditions rỗng
         where_clause = "WHERE " + where_clause
 
     order_clause = ""
-    if paging.sortby:
+    if paging.sortby: # neu paging.sortby ton tai
         direction = "ASC" if paging.asc else "DESC"
         order_clause = f"ORDER BY {paging.sortby} {direction}"
 
     sql = f"""
         SELECT *, COUNT(*) OVER() AS total
         FROM ailbl_user_email
-        {where_clause}
+        {where_clause} 
         {order_clause}
         LIMIT %(limit)s OFFSET %(offset)s
     """
     values["limit"] = paging.size
     values["offset"] = paging.page * paging.size
 
+
     cursor.execute(sql, values)
     return db_rows_to_array(cursor, cursor.fetchall())

apps/helpers.py

@@ -125,6 +125,7 @@ def check_port_open(ip: str, port: int, timeout: int = 30):
         return False
 
 
+
 kratos_config = Configuration(
     host=get_secret(KRATOS_ADMIN_ENDPOINT_CONFIG_KEY))