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Guide to Phoenix Controller structure in landing_page_backend using FallbackController, tuple responses, and permission plugs.
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基于 SOC 职业分类
Phoenix Channel patterns in landing_page_backend — real-time collaboration, WebSocket topics, broadcasting, and channel structure.
Guide to Context module patterns in landing_page_backend — Ecto queries, dynamic query building, Ecto.Multi, and Outbox messaging.
Patterns for creating Oban background workers in landing_page_backend — queue configuration, job arguments, retry strategies, and dynamic query processing.
Custom Plug middleware patterns in landing_page_backend — authentication (JWT/Passport), authorization, permission checking, and rate limiting.
Guidelines for creating Ecto Schemas in landing_page_backend, including binary UUID primary keys, virtual fields, custom json/1 function, and multiple changeset patterns.
Vue 2 Options API patterns for the Landing Page editor — Vuex namespaced stores, Ant Design Vue components, mixins, computed getters/setters, and axios API calls.
| name | landing_page-controllers |
| description | Guide to Phoenix Controller structure in landing_page_backend using FallbackController, tuple responses, and permission plugs. |
| metadata | {"author":"Vũ Lưu","version":"2026.03.30","source":"Source code landing_page_backend"} |
Phoenix Controller conventions for Landing Page Backend.
| Topic | Description | Reference |
|---|---|---|
| FallbackController | Centralized response handling via tuples | core-fallback |
| Permission Plugs | Action-level permission guards | core-fallback |
| Ecto.Multi in Controllers | Transactional operations across multiple steps | core-fallback |
defmodule LandingPageWeb.V1.OrganizationController do
use LandingPageWeb, :controller
alias Ecto.Multi
alias LandingPage.{Tools, Organizations, Repo}
alias LandingPage.Organizations.{Organization, OrganizationMember}
# Permission plugs — chỉ áp dụng cho specific actions
plug LandingPageWeb.Plug.PermissionCheck,
[role: :organization_admin, type: :organization]
when action in [:bulk_update_rights, :update_invite_code]
plug LandingPageWeb.Plug.SubscriptionPlug
when action in [:create_organization]
action_fallback LandingPageWeb.FallbackController
def create_organization(conn, %{"name" => name}) do
account = conn.assigns.account
invite_code = Tools.randomizer(3) <> "-" <> Tools.randomizer(1) <> "-" <> Tools.randomizer(2)
multi = Multi.new()
|> Multi.run(:organization, fn _, _ ->
Organizations.create_organization(%{
name: name, owner_id: account.id,
settings: %{sync: %{sync_draft_to_pos: true}},
invite_code: invite_code
})
end)
|> Multi.run(:organization_members, fn _, %{organization: org} ->
Organizations.create_organization_members(org.id, account.id,
Enum.OrganizationPermission.value(:organization_owner))
end)
case Repo.transaction(multi) do
{:ok, result} ->
org = Repo.preload(result.organization, :owner)
{:success, :with_data, "organization", Organization.json(org)}
_ ->
{:failed, :with_reason, "Create Organization Failed! ERROR CODE: CO0001"}
end
end
def list_organizations(conn, params) do
account = conn.assigns.account
case Organizations.get_organizations(account.id, params) do
{:ok, orgs} ->
{:success, :with_data, "organizations", Enum.map(orgs, &Organization.json/1)}
_ ->
{:failed, :with_reason, "Failed to get organizations"}
end
end
end