Stanko K.R.
fe909d6dc5
Locally, having stale_while_revalidate works great, but in production when we are behind CloudFlare, this results in an old image being shown after you upload a new one See: https://app.fizzy.do/5986089/cards/2978
49 lines
997 B
Ruby
49 lines
997 B
Ruby
class Users::AvatarsController < ApplicationController
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include ActiveStorage::Streaming
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allow_unauthenticated_access only: :show
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before_action :set_user
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before_action :ensure_permission_to_administer_user, only: :destroy
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def show
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if stale? @user, cache_control: cache_control
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render_avatar_or_initials
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end
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end
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def destroy
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@user.avatar.destroy
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redirect_to @user
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end
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private
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def set_user
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@user = Current.account.users.find(params[:user_id])
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end
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def ensure_permission_to_administer_user
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head :forbidden unless Current.user.can_change?(@user)
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end
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def cache_control
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if @user == Current.user
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{}
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else
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{ max_age: 30.minutes, stale_while_revalidate: 1.week }
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end
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end
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def render_avatar_or_initials
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if @user.avatar.attached?
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send_blob_stream @user.avatar
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else
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render_initials
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end
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end
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def render_initials
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render formats: :svg
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end
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end
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