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discourse/spec/models
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David Taylor d0243f741e
UX: Use dominant color as image loading placeholder (#18248) 
We previously had a system which would generate a 10x10px preview of images and add their URLs in a data-small-upload attribute. The client would then use that as the background-image of the `<img>` element. This works reasonably well on fast connections, but on slower connections it can take a few seconds for the placeholders to appear. The act of loading the placeholders can also break or delay the loading of the 'real' images.

This commit replaces the placeholder logic with a new approach. Instead of a 10x10px preview, we use imagemagick to calculate the average color of an image and store it in the database. The hex color value then added as a `data-dominant-color` attribute on the `<img>` element, and the client can use this as a `background-color` on the element while the real image is loading. That means no extra HTTP request is required, and so the placeholder color can appear instantly.

Dominant color will be calculated:
1. When a new upload is created
2. During a post rebake, if the dominant color is missing from an upload, it will be calculated and stored
3. Every 15 minutes, 25 old upload records are fetched and their dominant color calculated and stored. (part of the existing PeriodicalUpdates job)

Existing posts will continue to use the old 10x10px placeholder system until they are next rebaked
 		2022-09-20 10:28:17 +01:00
..
about_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
admin_dashboard_data_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
api_key_scope_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
api_key_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
application_request_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
associated_group_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
badge_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
badge_type_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
bookmark_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
category_featured_topic_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
category_group_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
category_list_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
category_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
category_user_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
child_theme_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
color_scheme_color_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
color_scheme_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
developer_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
digest_email_site_setting_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
directory_item_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
discourse_connect_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
do_not_disturb_timing_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
draft_sequence_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
draft_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
email_change_request_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
email_log_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
email_token_spec.rb FIX: do not redeem expired invites on new user signup (#17798) 2022-08-05 07:50:48 +05:30
embeddable_host_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
emoji_spec.rb DEV: emoji model should set the group of the emoji (#18237) 2022-09-14 13:10:48 +02:00
given_daily_like_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
global_setting_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
group_archived_message_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
group_associated_group_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
group_history_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
group_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
group_user_spec.rb FIX: Restore trust level when leaving group (#17954) 2022-08-29 13:00:48 +03:00
incoming_link_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
incoming_links_report_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
invite_redeemer_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
invite_spec.rb SECURITY: Limit email invitations to topic 2022-08-10 11:33:16 +02:00
javascript_cache_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
locale_site_setting_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
mailing_list_mode_site_setting_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
notification_spec.rb DEV: Prioritize unread notifications in the experimental user menu (#18216) 2022-09-12 21:19:25 +03:00
optimized_image_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
permalink_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
plugin_store_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
post_action_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
post_action_type_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
post_analyzer_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
post_detail_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
post_mover_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
post_reply_key_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
post_reply_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
post_revision_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
post_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
post_timing_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
private_message_topic_tracking_state_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
published_page_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
quoted_post_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
remote_theme_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
report_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
reviewable_claimed_topic_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
reviewable_flagged_post_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
reviewable_history_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
reviewable_post_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
reviewable_queued_post_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
reviewable_score_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
reviewable_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
reviewable_user_spec.rb FIX: Recover from guardian check when deleting reviewable users. (#17949) 2022-08-16 11:50:06 -03:00
s3_region_site_setting_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
screened_email_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
screened_ip_address_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
screened_url_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
search_log_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
sidebar_section_link_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
site_setting_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
site_spec.rb FIX: hide welcome topic banner as soon as the welcome topic is edited (#18125) 2022-09-01 09:44:21 +05:30
sitemap_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
skipped_email_log_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
stylesheet_cache_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
tag_group_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
tag_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
tag_user_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
theme_field_spec.rb FIX: Ensure `<script>` handlebars templates are namespaced correctly (#18178) 2022-09-04 13:01:10 +02:00
theme_modifier_set_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
theme_spec.rb DEV: Use DiscourseJsProcessor for theme template compilation (#18135) 2022-09-01 11:50:46 +01:00
top_menu_item_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
top_topic_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
topic_allowed_user_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
topic_converter_spec.rb FIX: Do not invite whisper or small action posters (#18123) 2022-08-29 15:52:54 +03:00
topic_embed_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
topic_featured_users_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
topic_group_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
topic_invite_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
topic_link_click_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
topic_link_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
topic_list_spec.rb FIX: Avoid duplicate topic-list requests (#18073) 2022-08-24 11:54:01 +01:00
topic_participants_summary_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
topic_posters_summary_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
topic_spec.rb FIX: Skip topic allowed user for small actions (#18075) 2022-08-29 13:01:16 +03:00
topic_tag_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
topic_thumbnail_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
topic_timer_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
topic_tracking_state_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
topic_user_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
topic_view_item_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
translation_override_spec.rb FEATURE: update bootstrap mode notice to add invite and wizard links (#17822) 2022-08-10 00:13:42 +05:30
trust_level3_requirements_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
trust_level_and_staff_setting_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
trust_level_setting_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
unsubscribe_key_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
upload_reference_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
upload_spec.rb UX: Use dominant color as image loading placeholder (#18248) 2022-09-20 10:28:17 +01:00
user_action_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
user_api_key_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
user_archived_message_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
user_associated_group_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
user_auth_token_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
user_avatar_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
user_badge_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
user_bookmark_list_spec.rb FIX: Return next bookmarks page only if it exists (#18139) 2022-09-01 13:04:00 +03:00
user_email_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
user_export_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
user_field_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
user_history_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
user_notification_schedule_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
user_option_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
user_profile_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
user_profile_view_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
user_search_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
user_second_factor_spec.rb DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
user_spec.rb DEV: Prioritize unread notifications in the experimental user menu (#18216) 2022-09-12 21:19:25 +03:00
user_stat_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
user_status_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
user_summary_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
user_visit_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
username_validator_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00
watched_word_spec.rb FIX: Allow to add the same watched word with a different case (#17799) 2022-08-05 12:18:17 +02:00
web_crawler_request_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
web_hook_event_spec.rb Add RSpec 4 compatibility (#17652) 2022-07-28 10:27:38 +08:00
web_hook_spec.rb DEV: Use proper wording for contexts in specs 2022-08-04 11:05:02 +02:00