Expunge improper schema use of NaiveDateTime (#91)

2024-11-23 20:18:00 +01:00 · 2021-01-18 13:01:03 -05:00 · 2021-01-18 13:01:03 -05:00 · 0f6a773286
commit 0f6a773286
parent 24b22f78be
52 changed files with 70 additions and 73 deletions
--- a/lib/philomena/adverts/advert.ex
+++ b/lib/philomena/adverts/advert.ex
@ -27,7 +27,7 @@ defmodule Philomena.Adverts.Advert do
    field :start_time, :string, virtual: true
    field :finish_time, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/artist_links/artist_link.ex
+++ b/lib/philomena/artist_links/artist_link.ex
@ -20,7 +20,7 @@ defmodule Philomena.ArtistLinks.ArtistLink do
    field :next_check_at, :utc_datetime
    field :contacted_at, :utc_datetime

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/badges/award.ex
+++ b/lib/philomena/badges/award.ex
@ -15,7 +15,7 @@ defmodule Philomena.Badges.Award do
    field :reason, :string
    field :badge_name, :string

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/badges/badge.ex
+++ b/lib/philomena/badges/badge.ex
@ -13,7 +13,7 @@ defmodule Philomena.Badges.Badge do
    field :removed_image, :string, virtual: true
    field :image_mime_type, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/bans/fingerprint.ex
+++ b/lib/philomena/bans/fingerprint.ex
@ -18,7 +18,7 @@ defmodule Philomena.Bans.Fingerprint do

    field :until, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/bans/subnet.ex
+++ b/lib/philomena/bans/subnet.ex
@ -18,7 +18,7 @@ defmodule Philomena.Bans.Subnet do

    field :until, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/bans/user.ex
+++ b/lib/philomena/bans/user.ex
@ -21,7 +21,7 @@ defmodule Philomena.Bans.User do
    field :username, :string, virtual: true
    field :until, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/channels/channel.ex
+++ b/lib/philomena/channels/channel.ex
@ -32,7 +32,7 @@ defmodule Philomena.Channels.Channel do
    field :remote_stream_id, :integer
    field :thumbnail_url, :string, default: ""

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/comments/comment.ex
+++ b/lib/philomena/comments/comment.ex
@ -23,7 +23,7 @@ defmodule Philomena.Comments.Comment do
    field :destroyed_content, :boolean, default: false
    field :name_at_post_time, :string

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/commissions/commission.ex
+++ b/lib/philomena/commissions/commission.ex
@ -19,7 +19,7 @@ defmodule Philomena.Commissions.Commission do
    field :will_not_create, :string
    field :commission_items_count, :integer, default: 0

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/commissions/item.ex
+++ b/lib/philomena/commissions/item.ex
@ -14,7 +14,7 @@ defmodule Philomena.Commissions.Item do
    field :base_price, :decimal
    field :add_ons, :string

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/conversations/conversation.ex
+++ b/lib/philomena/conversations/conversation.ex
@ -22,7 +22,7 @@ defmodule Philomena.Conversations.Conversation do
    field :last_message_at, :utc_datetime
    field :recipient, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/conversations/message.ex
+++ b/lib/philomena/conversations/message.ex
@ -11,7 +11,7 @@ defmodule Philomena.Conversations.Message do

    field :body, :string

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/dnp_entries/dnp_entry.ex
+++ b/lib/philomena/dnp_entries/dnp_entry.ex
@ -18,7 +18,7 @@ defmodule Philomena.DnpEntries.DnpEntry do
    field :instructions, :string, default: ""
    field :feedback, :string, default: ""

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/donations/donation.ex
+++ b/lib/philomena/donations/donation.ex
@ -14,7 +14,7 @@ defmodule Philomena.Donations.Donation do
    field :receipt_id, :string
    field :note, :string

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/duplicate_reports/duplicate_report.ex
+++ b/lib/philomena/duplicate_reports/duplicate_report.ex
@ -14,7 +14,7 @@ defmodule Philomena.DuplicateReports.DuplicateReport do
    field :reason, :string
    field :state, :string, default: "open"

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/filters/filter.ex
+++ b/lib/philomena/filters/filter.ex
@ -23,7 +23,7 @@ defmodule Philomena.Filters.Filter do
    field :spoilered_tag_list, :string, virtual: true
    field :hidden_tag_list, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/forums/forum.ex
+++ b/lib/philomena/forums/forum.ex
@ -19,7 +19,7 @@ defmodule Philomena.Forums.Forum do
    field :topic_count, :integer, default: 0
    field :post_count, :integer, default: 0

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/galleries/gallery.ex
+++ b/lib/philomena/galleries/gallery.ex
@ -20,7 +20,7 @@ defmodule Philomena.Galleries.Gallery do
    field :image_count, :integer
    field :order_position_asc, :boolean

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/image_features/image_feature.ex
+++ b/lib/philomena/image_features/image_feature.ex
@ -11,7 +11,7 @@ defmodule Philomena.ImageFeatures.ImageFeature do
    belongs_to :image, Image
    belongs_to :user, User

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/images.ex
+++ b/lib/philomena/images.ex
@ -319,7 +319,7 @@ defmodule Philomena.Images do
  end

  defp tag_change_attributes(attribution, image, tag, added, user) do
-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)

    user_id =
      case user do
@ -482,7 +482,7 @@ defmodule Philomena.Images do

  defp update_first_seen_at(image, time_1, time_2) do
    min_time =
-      case NaiveDateTime.compare(time_1, time_2) do
+      case DateTime.compare(time_1, time_2) do
        :gt -> time_2
        _ -> time_1
      end
@ -551,7 +551,7 @@ defmodule Philomena.Images do
      |> where([t], t.image_id in ^image_ids and t.tag_id in ^removed_tags)
      |> select([t], [t.image_id, t.tag_id])

-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)
    tag_change_attributes = Map.merge(tag_change_attributes, %{created_at: now, updated_at: now})
    tag_attributes = %{name: "", slug: "", created_at: now, updated_at: now}

--- a/lib/philomena/images/image.ex
+++ b/lib/philomena/images/image.ex
@ -75,7 +75,7 @@ defmodule Philomena.Images.Image do
    field :tag_editing_allowed, :boolean, default: true
    field :description_editing_allowed, :boolean, default: true
    field :commenting_allowed, :boolean, default: true
-    field :first_seen_at, :naive_datetime
+    field :first_seen_at, :utc_datetime
    field :destroyed_content, :boolean
    field :hidden_image_key, :string
    field :scratchpad, :string
@ -92,7 +92,7 @@ defmodule Philomena.Images.Image do
    field :uploaded_image, :string, virtual: true
    field :removed_image, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  def interaction_data(image) do
@ -112,7 +112,7 @@ defmodule Philomena.Images.Image do
  end

  def creation_changeset(image, attrs, attribution) do
-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)

    image
    |> cast(attrs, [:anonymous, :source_url, :description])
--- a/lib/philomena/interactions.ex
+++ b/lib/philomena/interactions.ex
@ -72,7 +72,7 @@ defmodule Philomena.Interactions do
  end

  def migrate_interactions(source, target) do
-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)
    source = Repo.preload(source, [:hiders, :favers, :upvoters, :downvoters])

    new_hides = Enum.map(source.hiders, &%{image_id: target.id, user_id: &1.id, created_at: now})
--- a/lib/philomena/mod_notes/mod_note.ex
+++ b/lib/philomena/mod_notes/mod_note.ex
@ -15,7 +15,7 @@ defmodule Philomena.ModNotes.ModNote do

    field :notable, :any, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/notifications/notification.ex
+++ b/lib/philomena/notifications/notification.ex
@ -14,7 +14,7 @@ defmodule Philomena.Notifications.Notification do
    field :actor, :any, virtual: true
    field :actor_child, :any, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/poll_votes.ex
+++ b/lib/philomena/poll_votes.ex
@ -41,7 +41,7 @@ defmodule Philomena.PollVotes do

  """
  def create_poll_votes(user, poll, attrs) do
-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)
    poll_votes = filter_options(user, poll, now, attrs)

    Multi.new()
--- a/lib/philomena/polls/poll.ex
+++ b/lib/philomena/polls/poll.ex
@ -20,7 +20,7 @@ defmodule Philomena.Polls.Poll do
    field :deletion_reason, :string, default: ""
    field :until, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/posts/post.ex
+++ b/lib/philomena/posts/post.ex
@ -24,7 +24,7 @@ defmodule Philomena.Posts.Post do
    field :destroyed_content, :boolean, default: false
    field :name_at_post_time, :string

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/reports/report.ex
+++ b/lib/philomena/reports/report.ex
@ -23,7 +23,7 @@ defmodule Philomena.Reports.Report do
    field :reportable, :any, virtual: true
    field :category, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/roles/role.ex
+++ b/lib/philomena/roles/role.ex
@ -9,7 +9,7 @@ defmodule Philomena.Roles.Role do
    field :resource_id, :integer
    field :resource_type, :string

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/site_notices/site_notice.ex
+++ b/lib/philomena/site_notices/site_notice.ex
@ -19,7 +19,7 @@ defmodule Philomena.SiteNotices.SiteNotice do
    field :start_time, :string, virtual: true
    field :finish_time, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/source_changes/source_change.ex
+++ b/lib/philomena/source_changes/source_change.ex
@ -15,7 +15,7 @@ defmodule Philomena.SourceChanges.SourceChange do

    field :source_url, :string, source: :new_value

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/static_pages/static_page.ex
+++ b/lib/philomena/static_pages/static_page.ex
@ -9,7 +9,7 @@ defmodule Philomena.StaticPages.StaticPage do
    field :slug, :string
    field :body, :string

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/static_pages/version.ex
+++ b/lib/philomena/static_pages/version.ex
@ -15,7 +15,7 @@ defmodule Philomena.StaticPages.Version do

    field :difference, :any, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/tag_changes.ex
+++ b/lib/philomena/tag_changes.ex
@ -14,7 +14,7 @@ defmodule Philomena.TagChanges do
  # TODO: this is substantially similar to Images.batch_update/4.
  # Perhaps it should be extracted.
  def mass_revert(ids, attributes) do
-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)
    tag_change_attributes = Map.merge(attributes, %{created_at: now, updated_at: now})
    tag_attributes = %{name: "", slug: "", created_at: now, updated_at: now}

--- a/lib/philomena/tag_changes/tag_change.ex
+++ b/lib/philomena/tag_changes/tag_change.ex
@ -14,7 +14,7 @@ defmodule Philomena.TagChanges.TagChange do
    field :added, :boolean
    field :tag_name_cache, :string, default: ""

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/tags/tag.ex
+++ b/lib/philomena/tags/tag.ex
@ -90,7 +90,7 @@ defmodule Philomena.Tags.Tag do

    field :implied_tag_list, :string, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/topics/topic.ex
+++ b/lib/philomena/topics/topic.ex
@ -32,7 +32,7 @@ defmodule Philomena.Topics.Topic do
    field :anonymous, :boolean, default: false
    field :hidden_from_users, :boolean, default: false

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/user_fingerprints/user_fingerprint.ex
+++ b/lib/philomena/user_fingerprints/user_fingerprint.ex
@ -10,7 +10,7 @@ defmodule Philomena.UserFingerprints.UserFingerprint do
    field :fingerprint, :string
    field :uses, :integer, default: 0

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/user_ips/user_ip.ex
+++ b/lib/philomena/user_ips/user_ip.ex
@ -10,7 +10,7 @@ defmodule Philomena.UserIps.UserIp do
    field :ip, EctoNetwork.INET
    field :uses, :integer, default: 0

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/user_name_changes/user_name_change.ex
+++ b/lib/philomena/user_name_changes/user_name_change.ex
@ -8,7 +8,7 @@ defmodule Philomena.UserNameChanges.UserNameChange do
    belongs_to :user, User
    field :name, :string

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/user_whitelists/user_whitelist.ex
+++ b/lib/philomena/user_whitelists/user_whitelist.ex
@ -8,7 +8,7 @@ defmodule Philomena.UserWhitelists.UserWhitelist do
    belongs_to :user, User

    field :reason, :string
-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc false
--- a/lib/philomena/users/ability.ex
+++ b/lib/philomena/users/ability.ex
@ -321,8 +321,8 @@ defimpl Canada.Can, for: [Atom, Philomena.Users.User] do

  # Edit their username
  def can?(%User{id: id}, :change_username, %User{id: id} = user) do
-    time_ago = NaiveDateTime.utc_now() |> NaiveDateTime.add(-1 * 60 * 60 * 24 * 90)
-    NaiveDateTime.diff(user.last_renamed_at, time_ago) < 0
+    time_ago = DateTime.utc_now() |> DateTime.add(-1 * 60 * 60 * 24 * 90)
+    DateTime.diff(user.last_renamed_at, time_ago) < 0
  end

  # View conversations they are involved in
--- a/lib/philomena/users/user.ex
+++ b/lib/philomena/users/user.ex
@ -48,12 +48,12 @@ defmodule Philomena.Users.User do
    field :password, :string, virtual: true
    field :encrypted_password, :string
    field :hashed_password, :string, source: :encrypted_password
-    field :confirmed_at, :naive_datetime
+    field :confirmed_at, :utc_datetime
    field :otp_required_for_login, :boolean
    field :authentication_token, :string
    field :failed_attempts, :integer
    # field :unlock_token, :string
-    field :locked_at, :naive_datetime
+    field :locked_at, :utc_datetime
    field :encrypted_otp_secret, :string
    field :encrypted_otp_secret_iv, :string
    field :encrypted_otp_secret_salt, :string
@ -111,9 +111,9 @@ defmodule Philomena.Users.User do
    field :watched_tag_list, :string, virtual: true

    # Other stuff
-    field :last_donation_at, :naive_datetime
-    field :last_renamed_at, :naive_datetime
-    field :deleted_at, :naive_datetime
+    field :last_donation_at, :utc_datetime
+    field :last_renamed_at, :utc_datetime
+    field :deleted_at, :utc_datetime
    field :scratchpad, :string
    field :secondary_role, :string
    field :hide_default_role, :boolean, default: false
@ -130,7 +130,7 @@ defmodule Philomena.Users.User do
    # For mod stuff
    field :role_map, :any, virtual: true

-    timestamps(inserted_at: :created_at)
+    timestamps(inserted_at: :created_at, type: :utc_datetime)
  end

  @doc """
@ -212,7 +212,7 @@ defmodule Philomena.Users.User do
  Confirms the account by setting `confirmed_at`.
  """
  def confirm_changeset(user) do
-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)
    change(user, confirmed_at: now)
  end

@ -256,7 +256,7 @@ defmodule Philomena.Users.User do
  end

  def lock_changeset(user) do
-    locked_at = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    locked_at = DateTime.utc_now() |> DateTime.truncate(:second)

    change(user, locked_at: locked_at)
  end
@ -353,7 +353,7 @@ defmodule Philomena.Users.User do
  end

  def name_changeset(user, attrs) do
-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)

    user
    |> cast(attrs, [:name])
@ -403,7 +403,7 @@ defmodule Philomena.Users.User do
  end

  def deactivate_changeset(user, moderator) do
-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)

    change(user, deleted_at: now, deleted_by_user_id: moderator.id)
  end
--- a/lib/philomena_web/advert_updater.ex
+++ b/lib/philomena_web/advert_updater.ex
@ -28,7 +28,7 @@ defmodule PhilomenaWeb.AdvertUpdater do
    # Read impression counts from mailbox
    {impressions, clicks} = receive_all()

-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)

    # Create insert statements for Ecto
    impressions = Enum.map(impressions, &impressions_insert_all(&1, now))
--- a/lib/philomena_web/stats_updater.ex
+++ b/lib/philomena_web/stats_updater.ex
@ -46,7 +46,7 @@ defmodule PhilomenaWeb.StatsUpdater do
        images_in_galleries: images_in_galleries
      )

-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)

    static_page = %{
      title: "Statistics",
@ -139,7 +139,7 @@ defmodule PhilomenaWeb.StatsUpdater do

    response_time =
      closed_reports
-      |> Enum.reduce(0, &(&2 + NaiveDateTime.diff(&1.updated_at, &1.created_at, :second)))
+      |> Enum.reduce(0, &(&2 + DateTime.diff(&1.updated_at, &1.created_at, :second)))
      |> Kernel./(safe_length(closed_reports) * 3600)
      |> trunc()

--- a/lib/philomena_web/templates/api/rss/watched/index.html.eex
+++ b/lib/philomena_web/templates/api/rss/watched/index.html.eex
@ -17,7 +17,7 @@
              </a>
            ]]>
          </description>
-          <pubDate><%= NaiveDateTime.to_iso8601(image.created_at) %></pubDate>
+          <pubDate><%= DateTime.to_iso8601(image.created_at) %></pubDate>
          <link><%= Routes.image_url(@conn, :show, image) %></link>
          <guid><%= Routes.image_url(@conn, :show, image) %></guid>
        </item>
--- a/lib/philomena_web/user_auth.ex
+++ b/lib/philomena_web/user_auth.ex
@ -208,7 +208,7 @@ defmodule PhilomenaWeb.UserAuth do
  defp signed_in_path(_conn), do: "/"

  defp update_usages(conn, user) do
-    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+    now = DateTime.utc_now() |> DateTime.truncate(:second)
    conn = fetch_cookies(conn)

    UserIpUpdater.cast(user.id, conn.remote_ip, now)
--- a/lib/philomena_web/views/app_view.ex
+++ b/lib/philomena_web/views/app_view.ex
@ -31,10 +31,9 @@ defmodule PhilomenaWeb.AppView do
  }

  def pretty_time(time) do
-    now = NaiveDateTime.utc_now()
-    seconds = NaiveDateTime.diff(now, time, :second)
+    now = DateTime.utc_now()
+    seconds = DateTime.diff(now, time, :second)
    relation = if seconds < 0, do: "from now", else: "ago"
-    time = time |> DateTime.from_naive!("Etc/UTC")

    words = distance_of_time_in_words(now, time)

@ -45,7 +44,7 @@ defmodule PhilomenaWeb.AppView do
  end

  def distance_of_time_in_words(time_2, time_1) do
-    seconds = abs(NaiveDateTime.diff(time_2, time_1, :second))
+    seconds = abs(DateTime.diff(time_2, time_1, :second))
    minutes = div(seconds, 60)
    hours = div(minutes, 60)
    days = div(hours, 24)
--- a/lib/philomena_web/views/ban_view.ex
+++ b/lib/philomena_web/views/ban_view.ex
@ -2,6 +2,6 @@ defmodule PhilomenaWeb.BanView do
  use PhilomenaWeb, :view

  def active?(ban) do
-    ban.enabled and NaiveDateTime.diff(ban.valid_until, NaiveDateTime.utc_now()) > 0
+    ban.enabled and DateTime.diff(ban.valid_until, DateTime.utc_now()) > 0
  end
 end
--- a/lib/philomena_web/views/image_view.ex
+++ b/lib/philomena_web/views/image_view.ex
@ -124,8 +124,6 @@ defmodule PhilomenaWeb.ImageView do
  end

  def image_container_data(conn, image, size) do
-    time = DateTime.from_naive!(image.created_at, "Etc/UTC")
-
    [
      image_id: image.id,
      image_tags: Jason.encode!(Enum.map(image.tags, & &1.id)),
@ -137,7 +135,7 @@ defmodule PhilomenaWeb.ImageView do
      upvotes: image.upvotes_count,
      downvotes: image.downvotes_count,
      comment_count: image.comments_count,
-      created_at: DateTime.to_iso8601(time),
+      created_at: DateTime.to_iso8601(image.created_at),
      source_url: image.source_url,
      uris: Jason.encode!(thumb_urls(image, can?(conn, :show, image))),
      width: image.image_width,
--- a/lib/philomena_web/views/profile/alias_view.ex
+++ b/lib/philomena_web/views/profile/alias_view.ex
@ -17,8 +17,8 @@ defmodule PhilomenaWeb.Profile.AliasView do
  def previously_banned?(_user), do: true

  defp younger_than_time_offset?(%{created_at: created_at}, time_offset) do
-    time_ago = NaiveDateTime.utc_now() |> NaiveDateTime.add(-time_offset, :second)
+    time_ago = DateTime.utc_now() |> DateTime.add(-time_offset, :second)

-    NaiveDateTime.diff(created_at, time_ago) >= 0
+    DateTime.diff(created_at, time_ago) >= 0
  end
 end