36 lines
1.0 KiB
Python
36 lines
1.0 KiB
Python
import hashlib
|
|
from typing import List
|
|
|
|
from flask import current_app
|
|
from staticmap import Line, StaticMap
|
|
|
|
from fittrackee.files import get_absolute_file_path
|
|
|
|
|
|
def generate_map(map_filepath: str, map_data: List) -> None:
|
|
"""
|
|
Generate and save map image from map data
|
|
"""
|
|
m = StaticMap(400, 225, 10)
|
|
if not current_app.config['TILE_SERVER']['DEFAULT_STATICMAP']:
|
|
m.url_template = current_app.config['TILE_SERVER']['URL'].replace(
|
|
'{s}.', ''
|
|
)
|
|
line = Line(map_data, '#3388FF', 4)
|
|
m.add_line(line)
|
|
image = m.render()
|
|
image.save(map_filepath)
|
|
|
|
|
|
def get_map_hash(map_filepath: str) -> str:
|
|
"""
|
|
Generate a md5 hash used as id instead of workout id, to retrieve map
|
|
image (maps are sensitive data)
|
|
"""
|
|
md5 = hashlib.md5()
|
|
absolute_map_filepath = get_absolute_file_path(map_filepath)
|
|
with open(absolute_map_filepath, 'rb') as f:
|
|
for chunk in iter(lambda: f.read(128 * md5.block_size), b''):
|
|
md5.update(chunk)
|
|
return md5.hexdigest()
|