Commit 44b616ed authored by Steffen van Bergerem's avatar Steffen van Bergerem Committed by Benjamin Neff

Add reshare service

parent e74b524e
class ReshareService
def initialize(user=nil)
@user = user
end
def create(post_id)
post = post_service.find!(post_id)
post = post.absolute_root if post.is_a? Reshare
user.reshare!(post)
end
def find_for_post(post_id)
reshares = post_service.find!(post_id).reshares
user ? reshares.order("author_id = #{user.person.id} DESC") : reshares
end
private
attr_reader :user
def post_service
@post_service ||= PostService.new(user)
end
end
describe ReshareService do
let(:post) { alice.post(:status_message, text: "hello", public: true) }
describe "#create" do
it "doesn't create a reshare of my own post" do
expect {
ReshareService.new(alice).create(post.id)
}.not_to raise_error
end
it "creates a reshare of a post of a contact" do
expect {
ReshareService.new(bob).create(post.id)
}.not_to raise_error
end
it "attaches the reshare to the post" do
reshare = ReshareService.new(bob).create(post.id)
expect(post.reshares.first.id).to eq(reshare.id)
end
it "reshares the original post when called with a reshare" do
reshare = ReshareService.new(bob).create(post.id)
reshare2 = ReshareService.new(eve).create(reshare.id)
expect(post.reshares.map(&:id)).to include(reshare2.id)
end
it "fails if the post does not exist" do
expect {
ReshareService.new(bob).create("unknown id")
}.to raise_error ActiveRecord::RecordNotFound
end
it "fails if the post is not public" do
post = alice.post(:status_message, text: "hello", to: alice.aspects.first)
expect {
ReshareService.new(bob).create(post.id)
}.to raise_error ActiveRecord::RecordInvalid
end
it "fails if the user already reshared the post" do
ReshareService.new(bob).create(post.id)
expect {
ReshareService.new(bob).create(post.id)
}.to raise_error ActiveRecord::RecordInvalid
end
it "fails if the user already reshared the original post" do
reshare = ReshareService.new(bob).create(post.id)
expect {
ReshareService.new(bob).create(reshare.id)
}.to raise_error ActiveRecord::RecordInvalid
end
end
describe "#find_for_post" do
context "with user" do
it "returns reshares for a public post" do
reshare = ReshareService.new(bob).create(post.id)
expect(ReshareService.new(eve).find_for_post(post.id)).to include(reshare)
end
it "returns reshares for a visible private post" do
post = alice.post(:status_message, text: "hello", to: alice.aspects.first)
expect(ReshareService.new(bob).find_for_post(post.id)).to be_empty
end
it "doesn't return reshares for a private post the user can not see" do
post = alice.post(:status_message, text: "hello", to: alice.aspects.first)
expect {
ReshareService.new(eve).find_for_post(post.id)
}.to raise_error ActiveRecord::RecordNotFound
end
it "returns the user's reshare first" do
[alice, bob, eve].map {|user| ReshareService.new(user).create(post.id) }
[alice, bob, eve].each do |user|
expect(
ReshareService.new(user).find_for_post(post.id).first.author.id
).to be user.person.id
end
end
end
context "without user" do
it "returns reshares for a public post" do
reshare = ReshareService.new(alice).create(post.id)
expect(ReshareService.new.find_for_post(post.id)).to include(reshare)
end
it "doesn't return reshares a for private post" do
post = alice.post(:status_message, text: "hello", to: alice.aspects.first)
expect {
ReshareService.new.find_for_post(post.id)
}.to raise_error Diaspora::NonPublic
end
end
it "returns all reshares of a post" do
reshares = [alice, bob, eve].map {|user| ReshareService.new(user).create(post.id) }
expect(ReshareService.new.find_for_post(post.id)).to match_array(reshares)
end
end
end
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