New mongodb backend
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parent
8e7d963e26
commit
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210
backend/app.py
210
backend/app.py
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from flask import Flask, g, jsonify, request, json, Response, send_from_directory, abort
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from flask_cors import CORS
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import orjson, os
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import pandas as pd
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import datetime
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import time
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app = Flask(__name__)
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CORS(app)
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FILES_DIRECTORY = "../data/"
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@app.before_request
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def start_timer():
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g.start = time.time()
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@app.after_request
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def log(response):
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now = time.time()
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duration = round(now - g.start, 4)
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dt = datetime.datetime.fromtimestamp(now).strftime("%Y-%m-%d %H:%M:%S")
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log_entry = {
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"timestamp": dt,
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"duration": duration,
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"method": request.method,
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"url": request.url,
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"status": response.status_code,
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"remote_addr": request.access_route[-1],
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"user_agent": request.user_agent.string,
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}
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log_line = ",".join(f"{key}={value}" for key, value in log_entry.items())
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with open("api_logs.txt", "a") as f:
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f.write(log_line + "\n")
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return response
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@app.route("/bitcoin_business_growth_by_country", methods=["GET"])
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def business_growth():
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today = datetime.datetime.today()
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# Parse args from request
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latest_date = request.args.get("latest_date")
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country_names = request.args.get("countries")
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cumulative_period_type = request.args.get("cumulative_period_type")
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# Open json locally
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with open("../data/final__bitcoin_business_growth_by_country.json", "rb") as f:
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data = orjson.loads(f.read())
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# Filter based on args
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if latest_date:
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latest_date_bool = latest_date == "true"
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filtered_data = [
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item for item in data if item["latest_date"] == latest_date_bool
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]
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else:
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filtered_data = data
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if country_names:
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countries = [name.strip() for name in country_names.split(",")]
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filtered_data = [
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item for item in filtered_data if item["country_name"] in countries
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]
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if cumulative_period_type == "1 day":
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delta = today - datetime.timedelta(days=2)
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filtered_data = [
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item
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for item in filtered_data
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if item["cumulative_period_type"] == cumulative_period_type
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and delta <= datetime.datetime.strptime(item["date"], "%Y-%m-%d")
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]
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elif cumulative_period_type == "7 day":
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delta = today - datetime.timedelta(days=8)
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filtered_data = [
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item
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for item in filtered_data
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if item["cumulative_period_type"] == cumulative_period_type
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and delta <= datetime.datetime.strptime(item["date"], "%Y-%m-%d")
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]
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elif cumulative_period_type == "28 day":
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delta = today - datetime.timedelta(days=29)
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filtered_data = [
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item
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for item in filtered_data
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if item["cumulative_period_type"] == cumulative_period_type
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and delta <= datetime.datetime.strptime(item["date"], "%Y-%m-%d")
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]
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elif cumulative_period_type == "365 day":
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delta = today - datetime.timedelta(days=366)
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filtered_data = [
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item
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for item in filtered_data
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if item["cumulative_period_type"] == cumulative_period_type
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and delta <= datetime.datetime.strptime(item["date"], "%Y-%m-%d")
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]
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# Sort by date
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sorted_data = sorted(filtered_data, key=lambda x: x["date"], reverse=False)
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# Return json
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return Response(json.dumps(sorted_data), mimetype="application/json")
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@app.route("/get_json/<filename>", methods=["GET"])
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def get_json(filename):
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period = request.args.get("period")
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today = datetime.datetime.today()
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file_path = os.path.join(FILES_DIRECTORY, filename)
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if not os.path.isfile(file_path):
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abort(404)
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with open(file_path, "r") as f:
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data = orjson.loads(f.read())
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if period == "last 7 days":
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delta = today - datetime.timedelta(days=7)
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filtered_data = [
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item
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for item in data
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if delta <= datetime.datetime.strptime(item["date"], "%Y-%m-%d") <= today
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]
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sorted_data = sorted(filtered_data, key=lambda x: x["date"])
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elif period == "last 28 days":
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delta = today - datetime.timedelta(days=28)
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filtered_data = [
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item
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for item in data
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if delta <= datetime.datetime.strptime(item["date"], "%Y-%m-%d") <= today
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]
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sorted_data = sorted(filtered_data, key=lambda x: x["date"])
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elif period == "last 365 days":
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delta = today - datetime.timedelta(days=365)
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filtered_data = [
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item
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for item in data
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if delta <= datetime.datetime.strptime(item["date"], "%Y-%m-%d") <= today
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]
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sorted_data = sorted(filtered_data, key=lambda x: x["date"])
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elif period == "last 2 years":
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delta = today - datetime.timedelta(days=730)
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filtered_data = [
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item
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for item in data
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if delta <= datetime.datetime.strptime(item["date"], "%Y-%m-%d") <= today
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]
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sorted_data = sorted(filtered_data, key=lambda x: x["date"])
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else:
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sorted_data = sorted(data, key=lambda x: x["date"])
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return jsonify(sorted_data)
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@app.route("/mangrove_data/<method>", methods=["GET"])
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def mangrove_data(method):
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with open("../data/dev/final__wdpa_pid_mangrove_diff_stats.json", "rb") as f:
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data = orjson.loads(f.read())
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if method == "countries":
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df = pd.read_json(json.dumps(data))
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countries = df[["year", "country", "n_pixels", "diff", "cumulative_diff"]]
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countriesAgg = countries.groupby(["year", "country"]).agg(
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{"n_pixels": "sum", "diff": "sum", "cumulative_diff": "sum"}
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)
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countriesAgg["year0_pixels"] = (
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countriesAgg["n_pixels"] - countriesAgg["cumulative_diff"]
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)
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countriesAgg["pct_diff"] = (
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100
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* (countriesAgg["n_pixels"] - countriesAgg["year0_pixels"])
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/ countriesAgg["year0_pixels"]
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).round(2)
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countriesLatest = countriesAgg.loc[[2020]].reset_index().set_index("country")
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return Response(
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countriesLatest.to_json(orient="index"), mimetype="application/json"
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)
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@app.route("/download/<filename>", methods=["GET"])
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def download_file(filename):
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try:
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return send_from_directory(FILES_DIRECTORY, filename, as_attachment=True)
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except FileNotFoundError:
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abort(404)
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@app.route("/cog", methods=["GET"])
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def serve_cog():
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year = request.args.get("year")
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pid = request.args.get("pid") # change this line
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dir = f"{FILES_DIRECTORY}/cog/{year}/"
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try:
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return send_from_directory(dir, f"{pid}.tif", as_attachment=True)
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except FileNotFoundError:
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abort(404)
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if __name__ == "__main__":
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app.run()
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@ -0,0 +1,5 @@
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from pymongo.mongo_client import MongoClient
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client = MongoClient(
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host=["10.0.10.35:27017"], username="admin", password="1234", authSource="admin"
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)
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from fastapi import FastAPI
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from pymongo.mongo_client import MongoClient
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from routes.route import router
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app = FastAPI()
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client = MongoClient(
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host=["10.0.10.35:27017"], username="admin", password="1234", authSource="admin"
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)
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try:
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client.admin.command("ping")
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print("Successfully pinged MongoDB deployment!")
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except Exception as e:
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print(e)
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app.include_router(router)
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class MongoDBHandler:
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def __init__(self, collection):
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self.collection = collection
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def find_limit(self, limit: int):
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return self.collection.find().limit(limit)
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def find_one(self, query):
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return self.collection.find_one(query)
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def aggregate(self, query):
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return self.collection.aggregate(query)
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aggregate_mangrove_by_country = [
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{
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"$match": {"year": "2020"},
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},
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]
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from fastapi import APIRouter
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from config.database import client
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from models.mongodb_handler import MongoDBHandler
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import models.pipelines as pipelines
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import schema.schemas as schemas
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from schema.schemas import DataSerializer
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router = APIRouter()
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@router.get("/mangrove_country_data")
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async def mangrove_country_data():
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db = client.baseddata
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collection_name = db["final__protected_mangroves_summary_stats_by_country_agg"]
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schema = schemas.mangrove_country_schema
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query = pipelines.aggregate_mangrove_by_country
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serializer = DataSerializer(schema)
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handler = MongoDBHandler(collection_name)
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rawData = handler.aggregate(query)
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serializedData = serializer.serialize_many(rawData)
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return serializedData
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def mangrove_country_schema(data):
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return {
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"country_with_parent": str(data["country_with_parent"]),
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"original_pixels": int(data["original_pixels"]),
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"total_n_pixels": int(data["total_n_pixels"]),
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"cumulative_pixels_diff": int(data["cumulative_pixels_diff"]),
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"cumulative_pct_diff": float(data["cumulative_pct_diff"]),
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}
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class DataSerializer:
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def __init__(self, schema_func):
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self.schema_func = schema_func
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def serialize_one(self, data) -> dict:
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return self.schema_func(data)
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def serialize_many(self, data_list) -> list:
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return [self.serialize_one(data) for data in data_list]
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@ -9,5 +9,5 @@ tags: ["Bitcoin", "Stats"]
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script: "/js/mangrove-map.js"
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---
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{{< table id="mangrove_countries" endpoint="mangrove_data/countries" tableKey="country" headers="{'country': 'Country', 'cumulative_diff': 'Diff', 'pct_diff': '% Diff'}" maxHeight="400px" sortable="true">}}
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{{< table id="mangrove_countries" endpoint="mangrove_country_data" headers="{'country_with_parent': 'Country', 'original_pixels': '1996 Cover', 'total_n_pixels': '2020 Cover', 'cumulative_pixels_diff': 'Diff', 'cumulative_pct_diff': '% Diff'}" maxHeight="400px" sortable="true">}}
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{{< map id="map" style="https://tiles.semitamaps.com/styles/maptiler-basic/style.json">}}
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@ -3,7 +3,7 @@ languageCode = 'en-gb'
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title = 'Based Data'
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[params]
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apiURL = 'http://localhost:5000'
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apiURL = 'http://localhost:8000'
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[markup.highlight]
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pygmentsUseClasses = false
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@ -42,11 +42,7 @@
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const td = document.createElement("td");
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const div = document.createElement("div");
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div.id = "scrollable";
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if (columnName == "{{ .Get `tableKey` }}") {
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div.textContent = key;
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} else {
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div.textContent = data[key][columnName];
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};
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div.textContent = data[key][columnName];
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td.appendChild(div);
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row.appendChild(td);
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tbody.appendChild(row);
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12
shell.nix
12
shell.nix
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{ pkgs ? import <nixpkgs> { } }:
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{pkgs ? import <nixpkgs> {}}:
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pkgs.mkShell
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{
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nativeBuildInputs = with pkgs; [
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@ -10,6 +9,10 @@ pkgs.mkShell
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python312Packages.orjson
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hugo
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tmux
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mongodb-tools
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python312Packages.uvicorn
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python312Packages.fastapi
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python312Packages.pymongo
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];
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shellHook = ''
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@ -22,9 +25,8 @@ pkgs.mkShell
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tmux new-session -d -s baseddata
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tmux split-window -h
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tmux send-keys -t 0 "hugo server" C-m
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tmux send-keys -t 1 "cd backend && python app.py" C-m
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tmux send-keys -t 1 "python backend/main.py" C-m
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echo "Baseddata running in dev tmux shell"
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fi
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'';
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'';
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}
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