mirror of
https://github.com/discourse/discourse.git
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8cade1e825
This commit operates at three levels of abstraction:
1. We want to prevent user history rows from being unbounded in size.
This commit adds rails validations to limit the sizes of columns on
user_histories,
2. However, we don't want to prevent certain actions from being
completed if these columns are too long. In those cases, we truncate
the values that are given and store the truncated versions,
3. For endpoints that perform staff actions, we can further control
what is permitted by explicitly validating the params that are given
before attempting the action,
355 lines
10 KiB
Ruby
355 lines
10 KiB
Ruby
# frozen_string_literal: true
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# UserHistory stores information about actions that users have taken,
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# like deleting users, changing site settings, dismissing notifications, etc.
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# Use other classes, like StaffActionLogger, to log records to this table.
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class UserHistory < ActiveRecord::Base
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belongs_to :acting_user, class_name: "User"
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belongs_to :target_user, class_name: "User"
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belongs_to :post
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belongs_to :topic
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belongs_to :category
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# Each value in the context should be shorter than this
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MAX_CONTEXT_LENGTH = 50_000
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# We often store multiple values in details, particularly during post edits
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# Let's allow space for 2 values + a little extra for padding
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MAX_DETAILS_LENGTH = 110_000
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MAX_JSON_LENGTH = 300_000
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validates :details, length: { maximum: MAX_DETAILS_LENGTH }
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validates :context, length: { maximum: MAX_CONTEXT_LENGTH }
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validates :subject, length: { maximum: MAX_CONTEXT_LENGTH }
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validates :ip_address, length: { maximum: MAX_CONTEXT_LENGTH }
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validates :email, length: { maximum: MAX_CONTEXT_LENGTH }
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validates :previous_value, length: { maximum: MAX_JSON_LENGTH }
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validates :new_value, length: { maximum: MAX_JSON_LENGTH }
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validates_presence_of :action
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scope :only_staff_actions, -> { where("action IN (?)", UserHistory.staff_action_ids) }
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before_save :set_admin_only
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def self.actions
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@actions ||=
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Enum.new(
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delete_user: 1,
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change_trust_level: 2,
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change_site_setting: 3,
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change_theme: 4,
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delete_theme: 5,
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checked_for_custom_avatar: 6, # not used anymore
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notified_about_avatar: 7,
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notified_about_sequential_replies: 8,
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notified_about_dominating_topic: 9,
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suspend_user: 10,
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unsuspend_user: 11,
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facebook_no_email: 12, # not used anymore
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grant_badge: 13,
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revoke_badge: 14,
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auto_trust_level_change: 15,
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check_email: 16,
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delete_post: 17,
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delete_topic: 18,
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impersonate: 19,
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roll_up: 20,
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change_username: 21,
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custom: 22,
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custom_staff: 23,
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anonymize_user: 24,
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reviewed_post: 25,
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change_category_settings: 26,
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delete_category: 27,
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create_category: 28,
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change_site_text: 29,
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silence_user: 30,
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unsilence_user: 31,
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grant_admin: 32,
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revoke_admin: 33,
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grant_moderation: 34,
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revoke_moderation: 35,
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backup_create: 36,
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rate_limited_like: 37, # not used anymore
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revoke_email: 38,
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deactivate_user: 39,
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wizard_step: 40,
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lock_trust_level: 41,
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unlock_trust_level: 42,
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activate_user: 43,
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change_readonly_mode: 44,
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backup_download: 45,
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backup_destroy: 46,
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notified_about_get_a_room: 47,
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change_name: 48,
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post_locked: 49,
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post_unlocked: 50,
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check_personal_message: 51,
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disabled_second_factor: 52,
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post_edit: 53,
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topic_published: 54,
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recover_topic: 55,
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post_approved: 56,
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create_badge: 57,
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change_badge: 58,
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delete_badge: 59,
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removed_silence_user: 60,
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removed_suspend_user: 61,
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removed_unsilence_user: 62,
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removed_unsuspend_user: 63,
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post_rejected: 64,
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merge_user: 65,
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entity_export: 66,
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change_password: 67,
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topic_timestamps_changed: 68,
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approve_user: 69,
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web_hook_create: 70,
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web_hook_update: 71,
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web_hook_destroy: 72,
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embeddable_host_create: 73,
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embeddable_host_update: 74,
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embeddable_host_destroy: 75,
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web_hook_deactivate: 76,
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change_theme_setting: 77,
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disable_theme_component: 78,
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enable_theme_component: 79,
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api_key_create: 80,
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api_key_update: 81,
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api_key_destroy: 82,
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revoke_title: 83,
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change_title: 84,
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override_upload_secure_status: 85,
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page_published: 86,
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page_unpublished: 87,
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add_email: 88,
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update_email: 89,
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destroy_email: 90,
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topic_closed: 91,
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topic_opened: 92,
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topic_archived: 93,
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topic_unarchived: 94,
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post_staff_note_create: 95,
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post_staff_note_destroy: 96,
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watched_word_create: 97,
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watched_word_destroy: 98,
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delete_group: 99,
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permanently_delete_post_revisions: 100,
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create_public_sidebar_section: 101,
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update_public_sidebar_section: 102,
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destroy_public_sidebar_section: 103,
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reset_bounce_score: 104,
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)
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end
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# Staff actions is a subset of all actions, used to audit actions taken by staff users.
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def self.staff_actions
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@staff_actions ||= %i[
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delete_user
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change_trust_level
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change_site_setting
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change_theme
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delete_theme
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change_site_text
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suspend_user
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unsuspend_user
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removed_suspend_user
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removed_unsuspend_user
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grant_badge
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revoke_badge
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check_email
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delete_post
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delete_topic
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impersonate
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roll_up
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change_username
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custom_staff
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anonymize_user
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reviewed_post
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change_category_settings
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delete_category
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create_category
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silence_user
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unsilence_user
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removed_silence_user
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removed_unsilence_user
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grant_admin
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revoke_admin
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grant_moderation
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revoke_moderation
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backup_create
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revoke_email
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deactivate_user
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lock_trust_level
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unlock_trust_level
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activate_user
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change_readonly_mode
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backup_download
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backup_destroy
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post_locked
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post_unlocked
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check_personal_message
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disabled_second_factor
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post_edit
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topic_published
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recover_topic
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post_approved
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create_badge
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change_badge
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delete_badge
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post_rejected
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merge_user
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entity_export
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change_name
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topic_timestamps_changed
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approve_user
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web_hook_create
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web_hook_update
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web_hook_destroy
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web_hook_deactivate
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embeddable_host_create
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embeddable_host_update
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embeddable_host_destroy
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change_theme_setting
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disable_theme_component
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enable_theme_component
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revoke_title
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change_title
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api_key_create
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api_key_update
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api_key_destroy
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override_upload_secure_status
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page_published
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page_unpublished
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add_email
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update_email
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destroy_email
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topic_closed
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topic_opened
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topic_archived
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topic_unarchived
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post_staff_note_create
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post_staff_note_destroy
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watched_word_create
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watched_word_destroy
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delete_group
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permanently_delete_post_revisions
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create_public_sidebar_section
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update_public_sidebar_section
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destroy_public_sidebar_section
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reset_bounce_score
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update_directory_columns
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deleted_unused_tags
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renamed_tag
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deleted_tag
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chat_channel_status_change
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chat_auto_remove_membership
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]
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end
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def self.staff_action_ids
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@staff_action_ids ||= staff_actions.map { |a| actions[a] }
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end
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def self.admin_only_action_ids
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@admin_only_action_ids ||= [actions[:change_site_setting]]
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end
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def self.with_filters(filters)
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query = self
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query = query.where(action: filters[:action_id]) if filters[:action_id].present?
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query = query.where(custom_type: filters[:custom_type]) if filters[:custom_type].present?
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%i[acting_user target_user].each do |key|
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if filters[key] && (obj_id = User.where(username_lower: filters[key].downcase).pluck(:id))
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query = query.where("#{key}_id = ?", obj_id)
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end
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end
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query = query.where("subject = ?", filters[:subject]) if filters[:subject]
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query
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end
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def self.for(user, action_type)
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self.where(target_user_id: user.id, action: UserHistory.actions[action_type])
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end
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def self.exists_for_user?(user, action_type, opts = nil)
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opts = opts || {}
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result = self.where(target_user_id: user.id, action: UserHistory.actions[action_type])
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result = result.where(topic_id: opts[:topic_id]) if opts[:topic_id]
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result.exists?
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end
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def self.staff_filters
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%i[action_id custom_type acting_user target_user subject action_name]
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end
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def self.staff_action_records(viewer, opts = nil)
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opts ||= {}
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custom_staff = opts[:action_id].to_i == actions[:custom_staff]
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if custom_staff
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opts[:custom_type] = opts[:action_name]
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else
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opts[:action_id] = self.actions[opts[:action_name].to_sym] if opts[:action_name]
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end
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query =
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self
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.with_filters(opts.slice(*staff_filters))
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.only_staff_actions
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.order("id DESC")
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.includes(:acting_user, :target_user)
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query = query.where(admin_only: false) unless viewer && viewer.admin?
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query
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end
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def set_admin_only
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self.admin_only = UserHistory.admin_only_action_ids.include?(self.action)
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self
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end
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def new_value_is_json?
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[UserHistory.actions[:change_theme], UserHistory.actions[:delete_theme]].include?(action)
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end
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def previous_value_is_json?
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new_value_is_json?
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end
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end
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# == Schema Information
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#
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# Table name: user_histories
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#
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# id :integer not null, primary key
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# action :integer not null
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# acting_user_id :integer
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# target_user_id :integer
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# details :text
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# created_at :datetime not null
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# updated_at :datetime not null
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# context :string
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# ip_address :string
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# email :string
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# subject :text
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# previous_value :text
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# new_value :text
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# topic_id :integer
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# admin_only :boolean default(FALSE)
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# post_id :integer
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# custom_type :string
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# category_id :integer
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#
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# Indexes
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#
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# index_user_histories_on_acting_user_id_and_action_and_id (acting_user_id,action,id)
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# index_user_histories_on_action_and_id (action,id)
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# index_user_histories_on_category_id (category_id)
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# index_user_histories_on_subject_and_id (subject,id)
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# index_user_histories_on_target_user_id_and_id (target_user_id,id)
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# index_user_histories_on_topic_id_and_target_user_id_and_action (topic_id,target_user_id,action)
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#
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