From 77e67965cc4e80d3559dce659dcc7bf125d45563 Mon Sep 17 00:00:00 2001
From: Mohamad Bader almsaddi alzin <baderalmsaddy@gmail.com>
Date: Wed, 20 May 2026 19:04:20 +0200
Subject: [PATCH 01/10] ingested api with expo retries, added fetch api
 records.

---
 ingest_api.py | 76 +++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 64 insertions(+), 12 deletions(-)

diff --git a/ingest_api.py b/ingest_api.py
index 66eb32c..2e7a660 100644
--- a/ingest_api.py
+++ b/ingest_api.py
@@ -1,9 +1,5 @@
-# Step 2 — Tasks 1 & 2: Error Handling + API Ingestion
-# fetch_with_retry handles transient network errors (Task 1).
-# fetch_api_records calls it and shapes the response into flat dicts (Task 2).
 import logging
 import time
-
 import requests
 
 logger = logging.getLogger(__name__)
@@ -11,15 +7,48 @@
 API_URL = "https://api.open-meteo.com/v1/forecast"
 
 
-def fetch_with_retry(url: str, params: dict, max_retries: int = 3, timeout: int = 10) -> dict:
+def fetch_with_retry(
+    url: str, params: dict, max_retries: int = 3, timeout: int = 10
+) -> dict:
     """Fetch url with exponential backoff on transient errors.
 
     Retry on: ConnectionError, Timeout, 5xx status codes.
     Fail immediately on: 4xx status codes.
     Log each retry attempt with the error and delay.
     """
-    # TODO: implement retry loop with exponential backoff
-    raise NotImplementedError
+    for attempt in range(max_retries):
+        try:
+            response = requests.get(url, params=params, timeout=timeout)
+
+            response.raise_for_status()
+            return response.json()
+
+        except requests.exceptions.HTTPError as e:
+            if response.status_code < 500:
+                logger.error(
+                    f"Client error {response.status_code}. Failing immediately."
+                )
+                raise
+
+            error_msg = f"Server error {response.status_code}"
+            error_type = error_msg
+
+        except (requests.exceptions.ConnectionError, requests.exceptions.Timeout) as e:
+            error_type = type(e).__name__
+
+        if attempt == max_retries - 1:
+            logger.error(
+                f"Max retries reached. Final attempt failed with {error_type}."
+            )
+            raise
+
+        wait_time = 2**attempt
+        logger.warning(
+            f"Attempt {attempt + 1} failed ({error_type}). Retrying in {wait_time}s..."
+        )
+        time.sleep(wait_time)
+
+    raise RuntimeError("unreachable")
 
 
 def fetch_api_records() -> list[dict]:
@@ -34,8 +63,31 @@ def fetch_api_records() -> list[dict]:
         "hourly": "temperature_2m,relative_humidity_2m",
         "forecast_days": 7,
     }
-    # TODO:
-    # - Call fetch_with_retry with API_URL and params
-    # - The API returns {"hourly": {"time": [...], "temperature_2m": [...], "relative_humidity_2m": [...]}}
-    # - Flatten to a list of dicts; set station="Open-Meteo Copenhagen" for all records
-    raise NotImplementedError
+
+    try:
+        data = fetch_with_retry(API_URL, params=params)
+    except Exception as e:
+        logger.error(f"Failed to fetch data from API: {e}")
+        return []
+
+    # Task 2: Robust parsing and flattening
+    hourly = data.get("hourly", {})
+    times = hourly.get("time", [])
+    temps = hourly.get("temperature_2m", [])
+    humidities = hourly.get("relative_humidity_2m", [])
+
+    if not times or not temps or not humidities:
+        logger.warning(
+            "API response structure was missing expected hourly data data arrays."
+        )
+        return []
+
+    return [
+        {
+            "station": "Open-Meteo Copenhagen",
+            "timestamp": ts,
+            "temperature_c": temp,
+            "humidity_pct": hum,
+        }
+        for ts, temp, hum in zip(times, temps, humidities, strict=True)
+    ]

From 21fc4c6f882fbe0a70a8e8910cf68b8de185b329 Mon Sep 17 00:00:00 2001
From: Mohamad Bader almsaddi alzin <baderalmsaddy@gmail.com>
Date: Wed, 20 May 2026 19:05:09 +0200
Subject: [PATCH 02/10] added read_csv_records using DictReader

---
 ingest_files.py | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/ingest_files.py b/ingest_files.py
index 8b010ff..ae2b752 100644
--- a/ingest_files.py
+++ b/ingest_files.py
@@ -16,5 +16,23 @@ def read_csv_records(path: Path) -> list[dict]:
     - Convert temperature_c to float and humidity_pct to int where possible.
     - Leave unconvertible values (e.g. "N/A", "") as-is so validation can catch them.
     """
-    # TODO: implement CSV reading and normalization
-    raise NotImplementedError
+    with open(path, newline="", encoding="utf-8") as f:
+        reader = csv.DictReader(f)
+        records = []
+        for row in reader:
+            record = {
+                "station": row.get("station", "unknown"),
+                "timestamp": row.get("timestamp", ""),
+                "temperature_c": row.get("temperature_c", ""),
+                "humidity_pct": row.get("humidity_pct", ""),
+            }
+            try:
+                record["temperature_c"] = float(record["temperature_c"])
+            except ValueError:
+                pass
+            try:
+                record["humidity_pct"] = int(record["humidity_pct"])
+            except ValueError:
+                pass
+            records.append(record)
+        return records

From 797d30aab7580cec7269a5847c640002d713d20e Mon Sep 17 00:00:00 2001
From: Mohamad Bader almsaddi alzin <baderalmsaddy@gmail.com>
Date: Wed, 20 May 2026 19:21:52 +0200
Subject: [PATCH 03/10] added validate records with pydantic

---
 validate.py | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/validate.py b/validate.py
index ada2716..f9388e3 100644
--- a/validate.py
+++ b/validate.py
@@ -18,5 +18,18 @@ def validate_records(
         raw_record  - the original dict
         error_details - the Pydantic error list (ValidationError.errors())
     """
-    # TODO: iterate over records, try WeatherReading(**record), accumulate results
-    raise NotImplementedError
+    valid_list: list[WeatherReading] = []
+    error_list: list[dict] = []
+    for i, record in enumerate(records):
+        try:
+            valid_list.append(WeatherReading(**record))
+        except ValidationError as e:
+            error_list.append(
+                {
+                    "index": i,
+                    "source": source,
+                    "raw_record": record,
+                    "error_details": e.errors(),
+                }
+            )
+    return valid_list, error_list

From 6d3ba8b759709a99fc9899e7ea43c779f4a86725 Mon Sep 17 00:00:00 2001
From: Mohamad Bader almsaddi alzin <baderalmsaddy@gmail.com>
Date: Wed, 20 May 2026 19:39:41 +0200
Subject: [PATCH 04/10] created tables, implemented insert raw, upsert
 readings, count readings

---
 database.py | 67 ++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 59 insertions(+), 8 deletions(-)

diff --git a/database.py b/database.py
index 8322d17..d4a6d09 100644
--- a/database.py
+++ b/database.py
@@ -24,8 +24,32 @@ def create_tables(conn: sqlite3.Connection) -> None:
     weather_readings columns: id, station, timestamp, temperature_c, humidity_pct
         + UNIQUE(station, timestamp) constraint for upserts
     """
-    # TODO: use conn.execute() with CREATE TABLE IF NOT EXISTS statements
-    raise NotImplementedError
+    conn.execute(
+        """
+        CREATE TABLE IF NOT EXISTS raw_weather (
+            id INTEGER PRIMARY KEY,
+            station TEXT NOT NULL,
+            timestamp TEXT NOT NULL,
+            temperature_c REAL NOT NULL,
+            humidity_pct REAL NOT NULL,
+            source TEXT NOT NULL,
+            ingested_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+        )
+        """
+    )
+    conn.execute(
+        """
+        CREATE TABLE IF NOT EXISTS weather_readings (
+            id INTEGER PRIMARY KEY,
+            station TEXT NOT NULL,
+            timestamp TEXT NOT NULL,
+            temperature_c REAL NOT NULL,
+            humidity_pct REAL NOT NULL,
+            UNIQUE(station, timestamp)
+        )
+        """
+    )
+    conn.commit()
 
 
 def insert_raw(conn: sqlite3.Connection, records: list[dict], source: str) -> None:
@@ -33,8 +57,21 @@ def insert_raw(conn: sqlite3.Connection, records: list[dict], source: str) -> No
 
     Use parameterized queries with placeholder syntax; do not build SQL via string formatting.
     """
-    # TODO: implement
-    raise NotImplementedError
+    for record in records:
+        conn.execute(
+            """
+            INSERT INTO raw_weather (station, timestamp, temperature_c, humidity_pct, source)
+            VALUES (?, ?, ?, ?, ?)
+            """,
+            (
+                record["station"],
+                record["timestamp"],
+                record["temperature_c"],
+                record["humidity_pct"],
+                source,
+            ),
+        )
+    conn.commit()
 
 
 def upsert_readings(conn: sqlite3.Connection, readings: list[WeatherReading]) -> None:
@@ -43,11 +80,25 @@ def upsert_readings(conn: sqlite3.Connection, readings: list[WeatherReading]) ->
     Use the upsert pattern to handle duplicate (station, timestamp) pairs.
     Use parameterized queries.
     """
-    # TODO: implement
-    raise NotImplementedError
+    for reading in readings:
+        conn.execute(
+            """
+            INSERT INTO weather_readings (station, timestamp, temperature_c, humidity_pct)
+            VALUES (?, ?, ?, ?)
+            ON CONFLICT(station, timestamp) DO UPDATE SET
+                temperature_c = excluded.temperature_c,
+                humidity_pct = excluded.humidity_pct
+            """,
+            (
+                reading.station,
+                reading.timestamp,
+                reading.temperature_c,
+                reading.humidity_pct,
+            ),
+        )
+    conn.commit()
 
 
 def count_readings(conn: sqlite3.Connection) -> int:
     """Return the total number of rows in weather_readings."""
-    # TODO: implement
-    raise NotImplementedError
+    return conn.execute("SELECT COUNT(*) FROM weather_readings").fetchone()[0]

From 732cb4637b07a17826d0cbe91f3ac9bc7d546826 Mon Sep 17 00:00:00 2001
From: Mohamad Bader almsaddi alzin <baderalmsaddy@gmail.com>
Date: Wed, 20 May 2026 19:41:10 +0200
Subject: [PATCH 05/10] implemented run pipleline, called all created functions
 in entry point

---
 pipeline.py | 38 +++++++++++++++++++++++++++++++++-----
 1 file changed, 33 insertions(+), 5 deletions(-)

diff --git a/pipeline.py b/pipeline.py
index d8dc710..e1b98aa 100644
--- a/pipeline.py
+++ b/pipeline.py
@@ -6,7 +6,13 @@
 import logging
 from pathlib import Path
 
-from database import count_readings, create_tables, get_connection, insert_raw, upsert_readings
+from database import (
+    count_readings,
+    create_tables,
+    get_connection,
+    insert_raw,
+    upsert_readings,
+)
 from ingest_api import fetch_api_records
 from ingest_files import read_csv_records
 from validate import validate_records
@@ -20,14 +26,38 @@ def run_pipeline() -> None:
 
     # TODO — implement each step in order:
     #
-    # 1. Fetch records from Open-Meteo API using fetch_api_records()
+    api_records = fetch_api_records()
     # 2. Read records from CSV using read_csv_records(CSV_PATH)
+    csv_records = read_csv_records(CSV_PATH)
     # 3. Open a DB connection, create tables, insert all raw records (both sources)
+    conn = get_connection()
+    create_tables(conn)
+    insert_raw(conn, api_records, "Open-Meteo")
+    insert_raw(conn, csv_records, "CSV")
     # 4. Validate all records — collect valid WeatherReading objects and error dicts
+    valid_readings, error_dicts = validate_records(
+        api_records + csv_records, source="combined"
+    )
     # 5. Upsert valid records into weather_readings
+    upsert_readings(conn, valid_readings)
     # 6. Save error dicts as JSON to output/error_report.json
+    with open(OUTPUT_DIR / "error_report.json", "w") as f:
+        json.dump(error_dicts, f)
     # 7. Print the pipeline summary in the format below.
-    #
+    total_raw = len(api_records) + len(csv_records)
+    valid_count = len(valid_readings)
+    invalid_count = len(error_dicts)
+    database_count = count_readings(conn)
+
+    print("=== Pipeline Summary ===")
+    print(f"API records fetched: {len(api_records)}")
+    print(f"CSV records read: {len(csv_records)}")
+    print(f"Total raw records: {total_raw}")
+    print(f"Valid records: {valid_count}")
+    print(f"Invalid records: {invalid_count}")
+    print(f"Records in database: {database_count}")
+    print("Error report: output/error_report.json")
+
     # Note: the API count varies by time of day (Open-Meteo returns up to 168 hourly
     # records for 7 forecast days; the exact number depends on the current UTC hour).
     # The CSV contributes 6 invalid records and 4 valid ones; the duplicate Copenhagen
@@ -43,8 +73,6 @@ def run_pipeline() -> None:
     #    Records in database: 169
     #    Error report: output/error_report.json
 
-    raise NotImplementedError
-
 
 if __name__ == "__main__":
     logging.basicConfig(level=logging.INFO)

From aa9258ef88dfe04c83f2b0c93e198f1fdcf30e38 Mon Sep 17 00:00:00 2001
From: Mohamad Bader almsaddi alzin <baderalmsaddy@gmail.com>
Date: Wed, 20 May 2026 19:41:31 +0200
Subject: [PATCH 06/10] added clean station (was not implemented)

---
 models.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/models.py b/models.py
index cae42fe..cdd34d4 100644
--- a/models.py
+++ b/models.py
@@ -13,5 +13,4 @@ class WeatherReading(BaseModel):
     @field_validator("station")
     @classmethod
     def clean_station(cls, v: str) -> str:
-        # TODO: strip whitespace and convert to title case
-        raise NotImplementedError
+        return v.strip().title()

From 10399f57f47233ec08a98a06cb52fe69a24bf1ed Mon Sep 17 00:00:00 2001
From: Mohamad Bader almsaddi alzin <baderalmsaddy@gmail.com>
Date: Wed, 20 May 2026 21:35:03 +0200
Subject: [PATCH 07/10] completed azure compare.md, created script (removed
 token) to create output file

---
 azure.py                | 23 +++++++++++++++++++++++
 output/azure_compare.md |  6 +++---
 2 files changed, 26 insertions(+), 3 deletions(-)
 create mode 100644 azure.py

diff --git a/azure.py b/azure.py
new file mode 100644
index 0000000..4938685
--- /dev/null
+++ b/azure.py
@@ -0,0 +1,23 @@
+import json
+
+import requests
+from pathlib import Path
+
+
+OUTPUT_DIR = Path("output")
+OUTPUT_DIR.mkdir(exist_ok=True)
+
+
+token = "token_here"
+subscription_id = "1120c89d-2a5f-4a15-a582-2ea34f0bb5c3"  # from the portal above
+
+url = f"https://management.azure.com/subscriptions/{subscription_id}/resourcegroups?api-version=2024-03-01"
+headers = {"Authorization": f"Bearer {token}"}
+
+response = requests.get(url, headers=headers, timeout=10)
+response.raise_for_status()
+for rg in response.json()["value"]:
+    print(f"{rg['name']}: {rg['location']}")
+
+    with open(OUTPUT_DIR / "azure_resource_groups.json", "w") as f:
+        json.dump(response.json(), f, indent=2)
diff --git a/output/azure_compare.md b/output/azure_compare.md
index 22395b3..29b0aa1 100644
--- a/output/azure_compare.md
+++ b/output/azure_compare.md
@@ -4,12 +4,12 @@ Fill in each section below (2-3 sentences each) after completing the Task 7 step
 
 ## Auth
 
-<!-- Fill in here -->
+<!-- azure call without the token gives 401 client error unauthorized for url, metro requires no token therefore you cant face this error but much simpler to acccess-->
 
 ## Schema verbosity
 
-<!-- Fill in here -->
+<!-- azure reply was much more readable and more nested compared to metro which is one line and very difficult to read -->
 
 ## api-version in the URL
 
-<!-- Fill in here -->
+<!-- azure pins the api-version in the url for stability, this way your code gets pinned to the day it worked on that version and it wont break overnight because of an update, if you leave it out you will get a bad request http 400 -->

From e01d894b3271dd5d49f3f08022beed0d1b62abfd Mon Sep 17 00:00:00 2001
From: Mohamad Bader almsaddi alzin <baderalmsaddy@gmail.com>
Date: Wed, 20 May 2026 21:41:08 +0200
Subject: [PATCH 08/10] added AI debug

---
 AI_DEBUG.md | 77 ++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 68 insertions(+), 9 deletions(-)

diff --git a/AI_DEBUG.md b/AI_DEBUG.md
index edf34a5..57fa872 100644
--- a/AI_DEBUG.md
+++ b/AI_DEBUG.md
@@ -7,20 +7,79 @@ Document the debugging session below. If everything worked first try, introduce
 
 ## The Error
 
-<!-- Paste the full Python traceback here. Include the error type, message, and the lines that caused it. -->
+<!-- Traceback (most recent call last):
+  File "c:\Users\Bader\Desktop\w3\c55-data-week-3\pipeline.py", line 77, in <module>
+    run_pipeline()
+  File "c:\Users\Bader\Desktop\w3\c55-data-week-3\pipeline.py", line 38, in run_pipeline
+    valid_readings, error_dicts = validate_records(api_records + csv_records)
+                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+TypeError: validate_records() missing 1 required positional argument: 'source' -->
 
 ## The Prompt
 
-<!-- Paste the exact message you sent to the LLM (ChatGPT, Claude, etc.).
-     Include: the error, the relevant code snippet, and what you asked the AI to help with. -->
-
+<!-- Traceback (most recent call last):
+  File "c:\Users\Bader\Desktop\w3\c55-data-week-3\pipeline.py", line 77, in <module>
+    run_pipeline()
+  File "c:\Users\Bader\Desktop\w3\c55-data-week-3\pipeline.py", line 38, in run_pipeline
+    valid_readings, error_dicts = validate_records(api_records + csv_records)
+                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+TypeError: validate_records() missing 1 required positional argument: 'source'  -->
 ## The Solution
 
-<!-- What did the AI suggest?
-     Did you apply the suggestion as-is, or did you need to adapt it? Explain what changed. -->
+<!-- Ah, the classic TypeError. This one is telling us exactly what the mismatch is between how your function was written and how it's being called.
+The Problem
+
+Your code on line 38 is calling validate_records() like this:
+Python
+
+validate_records(api_records + csv_records)
+
+Here, you are combining two lists (api_records and csv_records) into one single list using the + operator, and passing that single list into the function.
+
+However, the error states that validate_records() is missing a required positional argument named 'source'. This means the function definition looks something like this:
+Python
+
+def validate_records(records, source):
+    # Expects TWO arguments: the list of records AND the source name
+
+Because you only passed the combined list, Python has no idea what to put for the source argument.
+How to Fix It
+
+Depending on how your pipeline is supposed to work, you have two main ways to fix this.
+Option 1: Pass the source name explicitly (Recommended)
+
+If you want to validate all records but need to tag them with a source name, pass the string as the second argument:
+Python
+
+valid_readings, error_dicts = validate_records(api_records + csv_records, source="combined")
+
+Option 2: Run them separately if you want to track the sources accurately
+
+If your pipeline needs to know exactly where an error came from (the API vs. the CSV), you shouldn't combine them before validating. Run them sequentially instead:
+Python
+
+# 1. Validate API records
+valid_api, api_errors = validate_records(api_records, source="API")
+
+# 2. Validate CSV records
+valid_csv, csv_errors = validate_records(csv_records, source="CSV")
+
+# 3. Combine the results afterward
+valid_readings = valid_api + valid_csv
+error_dicts = api_errors + csv_errors
+
+Option 3: Change the function definition (If 'source' isn't actually needed)
+
+If you wrote validate_records yourself and realize you don't actually care about tracking the source anymore, go to where the function is defined and give source a default value so it becomes optional:
+Python
+
+def validate_records(records, source="unknown"):
+    # Now it won't crash if you leave 'source' out!
+    
+    super long answer as always i needed to fine the simple solution of added the missing source paramater -->
 
 ## Reflection
 
-<!-- Did you understand *why* the code was broken before you got the AI's answer?
-     After the fix: do you understand why it works now?
-     What would you do differently next time you hit this type of error? -->
+<!-- yes i noticed source missing from traceback but thought its much more complicated than this
+     After the fix: yes 
+     simplify things on my own before letting AI complicate them or lack of information -->

From 1a70c1938339a1bfb7a85e563284e4fca2a940d6 Mon Sep 17 00:00:00 2001
From: Mohamad Bader almsaddi alzin <baderalmsaddy@gmail.com>
Date: Wed, 20 May 2026 21:49:46 +0200
Subject: [PATCH 09/10] added more line breaks to azure_compare

---
 output/azure_compare.md | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/output/azure_compare.md b/output/azure_compare.md
index 29b0aa1..63a9f0d 100644
--- a/output/azure_compare.md
+++ b/output/azure_compare.md
@@ -4,12 +4,18 @@ Fill in each section below (2-3 sentences each) after completing the Task 7 step
 
 ## Auth
 
-<!-- azure call without the token gives 401 client error unauthorized for url, metro requires no token therefore you cant face this error but much simpler to acccess-->
+<!-- azure call without the token gives 401 client error unauthorized for url.
+ metro requires no token therefore you cant face this error but much simpler to access.
+ -->
 
 ## Schema verbosity
 
-<!-- azure reply was much more readable and more nested compared to metro which is one line and very difficult to read -->
+<!-- azure reply was much more readable.
+ azure reply was also more nested compared to metro which is one line.
+ response from metro is much more difficult to read. -->
 
 ## api-version in the URL
 
-<!-- azure pins the api-version in the url for stability, this way your code gets pinned to the day it worked on that version and it wont break overnight because of an update, if you leave it out you will get a bad request http 400 -->
+<!-- azure pins the api-version in the url for stability.
+ this way your code gets pinned to the day it worked on that version and it wont break overnight because of an update.
+  if you leave it out you will get a bad request http 400. -->

From 41f53a1670b75dc2e9ae00d2eeb5842251cd886b Mon Sep 17 00:00:00 2001
From: Mohamad Bader almsaddi alzin <baderalmsaddy@gmail.com>
Date: Thu, 21 May 2026 16:07:11 +0200
Subject: [PATCH 10/10] removed azure_resource_groups from gitignore and
 commited the file

---
 .gitignore                        |  1 -
 output/azure_resource_groups.json | 13 +++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 output/azure_resource_groups.json

diff --git a/.gitignore b/.gitignore
index 9e117dc..21451a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,7 +26,6 @@ env/
 
 # Generated pipeline output (committed templates stay; generated files do not)
 output/error_report.json
-output/azure_resource_groups.json
 weather.db
 
 # Editor and IDE settings
diff --git a/output/azure_resource_groups.json b/output/azure_resource_groups.json
new file mode 100644
index 0000000..6fd6380
--- /dev/null
+++ b/output/azure_resource_groups.json
@@ -0,0 +1,13 @@
+{
+  "value": [
+    {
+      "id": "/subscriptions/1120c89d-2a5f-4a15-a582-2ea34f0bb5c3/resourceGroups/rg-hyf-students-readonly",
+      "name": "rg-hyf-students-readonly",
+      "type": "Microsoft.Resources/resourceGroups",
+      "location": "westeurope",
+      "properties": {
+        "provisioningState": "Succeeded"
+      }
+    }
+  ]
+}