from flask import Flask, render_template, request, redirect, url_for, flash
from flask_sqlalchemy import SQLAlchemy
import os
import services # Assuming your existing services module for FHIR IG handling
app = Flask(__name__)
app.config['SECRET_KEY'] = 'your-secret-key-here'
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///instance/fhir_ig.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
app.config['FHIR_PACKAGES_DIR'] = os.path.join(app.instance_path, 'fhir_packages')
os.makedirs(app.config['FHIR_PACKAGES_DIR'], exist_ok=True)
db = SQLAlchemy(app)
# Simplified ProcessedIg model (no user-related fields)
class ProcessedIg(db.Model):
id = db.Column(db.Integer, primary_key=True)
package_name = db.Column(db.String(128), nullable=False)
version = db.Column(db.String(32), nullable=False)
processed_date = db.Column(db.DateTime, nullable=False)
resource_types_info = db.Column(db.JSON, nullable=False) # List of resource type metadata
must_support_elements = db.Column(db.JSON, nullable=True) # Dict of MS elements
examples = db.Column(db.JSON, nullable=True) # Dict of example filepaths
# Landing page with two buttons
@app.route('/')
def index():
return render_template_string('''
FHIR IG Toolkit
FHIR IG Toolkit
Simple tool for importing and viewing FHIR Implementation Guides.
''')
# Import IG route
@app.route('/import-ig', methods=['GET', 'POST'])
def import_ig():
if request.method == 'POST':
name = request.form.get('name')
version = request.form.get('version', 'latest')
try:
# Call your existing service to download package and dependencies
result = services.import_package_and_dependencies(name, version, app.config['FHIR_PACKAGES_DIR'])
downloaded_files = result.get('downloaded', [])
for file_path in downloaded_files:
# Process each downloaded package
package_info = services.process_package_file(file_path)
processed_ig = ProcessedIg(
package_name=package_info['name'],
version=package_info['version'],
processed_date=package_info['processed_date'],
resource_types_info=package_info['resource_types_info'],
must_support_elements=package_info.get('must_support_elements'),
examples=package_info.get('examples')
)
db.session.add(processed_ig)
db.session.commit()
flash(f"Successfully imported {name} {version} and dependencies!", "success")
return redirect(url_for('view_igs'))
except Exception as e:
flash(f"Error importing IG: {str(e)}", "error")
return redirect(url_for('import_ig'))
return render_template_string('''
Import FHIR IG
Import FHIR IG
{% with messages = get_flashed_messages(with_categories=True) %}
{% if messages %}
{% for category, message in messages %}
{{ message }}
{% endfor %}
{% endif %}
{% endwith %}
''')
# View Downloaded IGs route
@app.route('/view-igs')
def view_igs():
igs = ProcessedIg.query.all()
return render_template_string('''
View Downloaded IGs
Downloaded FHIR IGs
| Package Name |
Version |
Processed Date |
Resource Types |
{% for ig in igs %}
| {{ ig.package_name }} |
{{ ig.version }} |
{{ ig.processed_date }} |
{{ ig.resource_types_info | length }} types |
{% endfor %}
''', igs=igs)
# Initialize DB
with app.app_context():
db.create_all()
if __name__ == '__main__':
app.run(debug=True)