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Lower Complexity of UsersController

Browse Source 
https://codeclimate.com/github/discourse/discourse/UsersController#method-complexity
This commit is contained in:
Justin Gordon 2013-08-24 22:57:12 -10:00
parent c0b051c9f6
commit 464595df5c
1 changed files with 76 additions and 42 deletions
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118
app/controllers/users_controller.rb
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@ -100,63 +100,97 @@ class UsersController < ApplicationController
render json: {valid: r.length == 1}
end
def render_available_true
render(json: { available: true })
end
def changing_case_of_own_username(target_user, username)
target_user and username.downcase == target_user.username.downcase
end
# Used for checking availability of a username and will return suggestions
# if the username is not available.
def check_username
params.require(:username)
username = params[:username]
target_user = params[:for_user_id] ? User.find(params[:for_user_id]) : current_user
target_user = user_from_params_or_current_user
# The special case where someone is changing the case of their own username
return render(json: {available: true}) if target_user and params[:username].downcase == target_user.username.downcase
return render_available_true if changing_case_of_own_username(target_user, username)
validator = UsernameValidator.new(params[:username])
validator = UsernameValidator.new(username)
if !validator.valid_format?
render json: {errors: validator.errors}
elsif !SiteSetting.call_discourse_hub?
if User.username_available?(params[:username])
render json: {available: true}
else
render json: {available: false, suggestion: UserNameSuggester.suggest(params[:username])}
end
check_username_locally(username)
else
# Contact the Discourse Hub server
email_given = (params[:email].present? || target_user.present?)
available_locally = User.username_available?(params[:username])
global_match = false
available_globally, suggestion_from_discourse_hub = begin
if email_given
global_match, available, suggestion = DiscourseHub.nickname_match?( params[:username], params[:email] || target_user.email )
[available || global_match, suggestion]
else
DiscourseHub.nickname_available?(params[:username])
end
end
if available_globally && available_locally
render json: {available: true, global_match: (global_match ? true : false)}
elsif available_locally && !available_globally
if email_given
# Nickname and email do not match what's registered on the discourse hub.
render json: {available: false, global_match: false, suggestion: suggestion_from_discourse_hub}
else
# The nickname is available locally, but is registered on the discourse hub.
# We need an email to see if the nickname belongs to this person.
# Don't give a suggestion until we get the email and try to match it with on the discourse hub.
render json: {available: false}
end
elsif available_globally && !available_locally
# Already registered on this site with the matching nickname and email address. Why are you signing up again?
render json: {available: false, suggestion: UserNameSuggester.suggest(params[:username])}
else
# Not available anywhere.
render json: {available: false, suggestion: suggestion_from_discourse_hub}
end
check_username_with_hub_server(target_user, username)
end
rescue RestClient::Forbidden
render json: {errors: [I18n.t("discourse_hub.access_token_problem")]}
end
def check_username_locally(username)
if User.username_available?(username)
render_available_true
else
render_unavailable_with_suggestion(UserNameSuggester.suggest(username))
end
end
def user_from_params_or_current_user
params[:for_user_id] ? User.find(params[:for_user_id]) : current_user
end
def available_globally_and_suggestion_from_hub(target_user, username, email_given)
if email_given
global_match, available, suggestion =
DiscourseHub.nickname_match?(username, params[:email] || target_user.email)
{ available_globally: available || global_match,
suggestion_from_discourse_hub: suggestion,
global_match: global_match }
else
args = DiscourseHub.nickname_available?(username)
{ available_globally: args[0],
suggestion_from_discourse_hub: args[1],
global_match: false }
end
end
# Contact the Discourse Hub server
def check_username_with_hub_server(target_user, username)
email_given = (params[:email].present? || target_user.present?)
available_locally = User.username_available?(username)
info = available_globally_and_suggestion_from_hub(target_user, username, email_given)
available_globally = info[:available_globally]
suggestion_from_discourse_hub = info[:suggestion_from_discourse_hub]
global_match = info[:global_match]
if available_globally && available_locally
render json: { available: true, global_match: (global_match ? true : false) }
elsif available_locally && !available_globally
if email_given
# Nickname and email do not match what's registered on the discourse hub.
render json: { available: false, global_match: false, suggestion: suggestion_from_discourse_hub }
else
# The nickname is available locally, but is registered on the discourse hub.
# We need an email to see if the nickname belongs to this person.
# Don't give a suggestion until we get the email and try to match it with on the discourse hub.
render json: { available: false }
end
elsif available_globally && !available_locally
# Already registered on this site with the matching nickname and email address. Why are you signing up again?
render json: { available: false, suggestion: UserNameSuggester.suggest(username) }
else
# Not available anywhere.
render_unavailable_with_suggestion(suggestion_from_discourse_hub)
end
end
def render_unavailable_with_suggestion(suggestion)
render json: { available: false, suggestion: suggestion }
end
def create
return fake_success_response if suspicious? params