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Coding tips

Routes

IRIS does not defines a separate API for users, meaning the HTML pages are actually using the API themselves. Routes don't need to handle the authentication and roles. These are handles by wrappers (see snippets below).

Page route

A page returns an HTML content and should use the following code structure :

Example of page route
@blueprint.route('/a/good/route', methods=['GET']) # (1)
@login_required # (2)
def view_a_good_route(caseid, url_redir):  # (3)
    if url_redir:
        return redirect(url_for('bluprintname.method_name', cid=caseid))  # (4)

    # route code 

    return render_template("a_good_route.html", variable_1=var_1, ...)  # (5)

  1. This defines which URI the route is handling as well as the methods it supports (ie GET, POST, etc). In IRIS, we try to limit one method per route.
  2. This defines the security of the endpoint. @login_required is used for users page and @admin_login_required is used for admin restricted pages.
  3. caseid and url_redir are variable provided by @login_required and @admin_login_required wraps. caseid indicates which case ID the user tried to access the route with. url_redir indicates the caseid provided wasn't valid and a redirection is needed.
  4. In case a redirection is needed, provide the URL to which the redirection should be done. It's often the page method itself except for modales.
  5. A page route needs to return an HTML template. variable_1 is a value that can be accessed from within the template itself. More variables can be added, or not at all.

API route

An API route returns a JSON content. Two types are pre-defined and should be used :

Standard API returns
response_success(msg="A success message", data=<data associated with the success feedback>)

response_error(msg="An error message", data=<data associated with the error feedback>, status=<status code, by default 400>)

Below is an example of standard API route.

Example of page route
@blueprint.route('/a/good/api_route', methods=['GET']) # (1)
@api_login_required # (2)
def view_a_good_route(caseid):  # (3)

    # API route code 

    return response_success("ok", data=my_data_object)  # (4)

  1. This defines which URI the route is handling as well as the methods it supports (ie GET, POST, etc). In IRIS, we try to limit one method per route.
  2. This defines the security of the endpoint. @api_login_required is used for users API endpoints and @api_admin_required is used for admin restricted endpoints.
  3. caseid is provided @api_login_required and @api_admin_required wraps. It indicates which case ID the user tried to access the endpoint with.
  4. One of the standard return defined above.

Last update: 2022-05-18
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