78 lines
3.0 KiB
Ruby
78 lines
3.0 KiB
Ruby
class UsernameCheckerService
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def check_username(username, email)
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if username && username.length > 0
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validator = UsernameValidator.new(username)
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if !validator.valid_format?
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{errors: validator.errors}
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elsif !SiteSetting.call_discourse_hub?
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check_username_locally(username)
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else
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check_username_with_hub_server(username, email)
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end
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elsif email and SiteSetting.call_discourse_hub?
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username_from_hub = DiscourseHub.nickname_for_email(email)
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if username_from_hub && User.username_available?(username_from_hub)
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{suggestion: username_from_hub}
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else
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{suggestion: nil}
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end
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end
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end
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# Contact the Discourse Hub server
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def check_username_with_hub_server(username, email)
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available_locally = User.username_available?(username)
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info = available_globally_and_suggestion_from_hub(username, email)
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available_globally = info[:available_globally]
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suggestion_from_discourse_hub = info[:suggestion_from_discourse_hub]
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global_match = info[:global_match]
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if available_globally && available_locally
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{ available: true, global_match: (global_match ? true : false) }
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elsif available_locally && !available_globally
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if email.present?
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# Nickname and email do not match what's registered on the discourse hub.
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{ available: false, global_match: false, suggestion: suggestion_from_discourse_hub }
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else
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# The nickname is available locally, but is registered on the discourse hub.
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# We need an email to see if the nickname belongs to this person.
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# Don't give a suggestion until we get the email and try to match it with on the discourse hub.
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{ available: false }
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end
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elsif available_globally && !available_locally
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# Already registered on this site with the matching nickname and email address. Why are you signing up again?
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{ available: false, suggestion: UserNameSuggester.suggest(username) }
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else
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# Not available anywhere.
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render_unavailable_with_suggestion(suggestion_from_discourse_hub)
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end
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end
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def render_unavailable_with_suggestion(suggestion)
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{ available: false, suggestion: suggestion }
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end
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def check_username_locally(username)
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if User.username_available?(username)
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{ available: true }
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else
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{ available: false, suggestion: UserNameSuggester.suggest(username) }
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end
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end
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def available_globally_and_suggestion_from_hub(username, email)
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if email.present?
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global_match, available, suggestion =
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DiscourseHub.nickname_match?(username, email)
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{ available_globally: available || global_match,
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suggestion_from_discourse_hub: suggestion,
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global_match: global_match }
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else
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args = DiscourseHub.nickname_available?(username)
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{ available_globally: args[0],
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suggestion_from_discourse_hub: args[1],
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global_match: false }
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end
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end
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end
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