feat: add groups administration #372
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9 changed files with 701 additions and 7 deletions
284
lib/mv_web/live/group_live/show.ex
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284
lib/mv_web/live/group_live/show.ex
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defmodule MvWeb.GroupLive.Show do
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@moduledoc """
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LiveView for displaying a single group's details.
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## Features
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- Display group information (name, description, member count)
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- List all members in the group
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- Navigate to edit form
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- Return to groups list
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- Delete group (with confirmation)
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## Security
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- All users with read permission can view groups
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- Only admin users can edit/delete groups
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"""
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use MvWeb, :live_view
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import MvWeb.LiveHelpers, only: [current_actor: 1]
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import MvWeb.Authorization
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alias Mv.Membership
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@impl true
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def mount(_params, _session, socket) do
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{:ok, socket}
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end
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@impl true
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def handle_params(%{"slug" => slug}, _url, socket) do
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actor = current_actor(socket)
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# Check if user can read groups
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unless can?(actor, :read, Mv.Membership.Group) do
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{:noreply, redirect(socket, to: ~p"/members")}
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else
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case Membership.get_group_by_slug(slug, actor: actor, load: [:members, :member_count]) do
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{:ok, nil} ->
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{:noreply,
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socket
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|> put_flash(:error, gettext("Group not found."))
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|> redirect(to: ~p"/groups")}
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{:ok, group} ->
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{:noreply,
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socket
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|> assign(:page_title, group.name)
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|> assign(:group, group)}
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{:error, _error} ->
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{:noreply,
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socket
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|> put_flash(:error, gettext("Failed to load group."))
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|> redirect(to: ~p"/groups")}
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end
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end
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end
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@impl true
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def render(assigns) do
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~H"""
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<Layouts.app flash={@flash} current_user={@current_user}>
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<%!-- Header with Back button, Name, and Edit/Delete buttons --%>
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<div class="flex items-center justify-between gap-4 pb-4">
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<.button navigate={~p"/groups"} aria-label={gettext("Back to groups list")}>
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<.icon name="hero-arrow-left" class="size-4" />
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{gettext("Back")}
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</.button>
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<h1 class="text-2xl font-bold text-center flex-1">
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{@group.name}
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</h1>
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<div class="flex gap-2">
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<%= if can?(@current_user, :update, Mv.Membership.Group) do %>
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<.button variant="primary" navigate={~p"/groups/#{@group.slug}/edit"}>
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{gettext("Edit")}
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</.button>
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<% end %>
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<%= if can?(@current_user, :destroy, Mv.Membership.Group) do %>
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<.button class="btn-error" phx-click="open_delete_modal">
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{gettext("Delete")}
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</.button>
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<% end %>
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</div>
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</div>
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<%!-- Group Information --%>
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<div class="max-w-2xl space-y-6 mb-6">
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<div>
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<h2 class="text-lg font-semibold mb-2">{gettext("Description")}</h2>
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<div class="border border-base-300 rounded-lg p-4 bg-base-100">
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<%= if @group.description && String.trim(@group.description) != "" do %>
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<p class="whitespace-pre-wrap">{@group.description}</p>
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<% else %>
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<p class="text-base-content/50 italic">{gettext("No description")}</p>
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<% end %>
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</div>
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</div>
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<div>
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<h2 class="text-lg font-semibold mb-2">{gettext("Members")}</h2>
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<div class="border border-base-300 rounded-lg p-4 bg-base-100">
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<p class="mb-4">
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{gettext("Total: %{count} member(s)", count: @group.member_count || 0)}
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</p>
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<%= if Enum.empty?(@group.members || []) do %>
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<p class="text-base-content/50 italic">{gettext("No members in this group")}</p>
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<% else %>
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<div class="overflow-x-auto">
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<table class="table table-zebra">
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<thead>
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<tr>
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<th>{gettext("Name")}</th>
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<th>{gettext("Email")}</th>
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</tr>
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</thead>
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<tbody>
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<%= for member <- @group.members do %>
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<tr>
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<td>
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<.link
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navigate={~p"/members/#{member.id}"}
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class="link link-primary"
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>
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{MvWeb.Helpers.MemberHelpers.display_name(member)}
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</.link>
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</td>
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<td>
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<%= if member.email do %>
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<a
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href={"mailto:#{member.email}"}
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class="text-blue-700 hover:text-blue-800 underline"
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>
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{member.email}
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</a>
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<% else %>
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<span class="text-base-content/50 italic">—</span>
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<% end %>
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</td>
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</tr>
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<% end %>
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</tbody>
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</table>
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</div>
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<% end %>
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</div>
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</div>
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</div>
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<%!-- Delete Confirmation Modal --%>
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<%= if assigns[:show_delete_modal] do %>
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<dialog id="delete-group-modal" class="modal modal-open" role="dialog">
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<div class="modal-box">
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<h3 class="text-lg font-bold mb-4">{gettext("Delete Group")}</h3>
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<p class="mb-4">
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{gettext("Are you sure you want to delete this group? This action cannot be undone.")}
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</p>
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<%= if @group.member_count && @group.member_count > 0 do %>
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<div class="alert alert-warning mb-4">
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<.icon name="hero-exclamation-triangle" class="size-5" />
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<span>
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{ngettext(
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"This group has %{count} member. All member-group associations will be permanently deleted.",
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"This group has %{count} members. All member-group associations will be permanently deleted.",
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@group.member_count
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)}
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</span>
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</div>
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<% end %>
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<div>
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<label for="group-name-confirmation" class="label">
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<span class="label-text">
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{gettext("To confirm deletion, please enter the group name:")}
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</span>
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</label>
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<div class="p-2 mb-2 font-mono text-lg font-bold break-all rounded bg-base-200">
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{@group.name}
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</div>
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<form phx-change="update_name_confirmation">
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<input
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id="group-name-confirmation"
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name="name"
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type="text"
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value={@name_confirmation || ""}
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placeholder={gettext("Enter the group name to confirm")}
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autocomplete="off"
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class="w-full input input-bordered"
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/>
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</form>
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</div>
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<div class="modal-action">
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<button
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type="button"
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class="btn"
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phx-click="cancel_delete"
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aria-label={gettext("Cancel")}
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>
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{gettext("Cancel")}
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</button>
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<button
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type="button"
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class="btn btn-error"
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phx-click="confirm_delete"
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phx-value-slug={@group.slug}
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disabled={(@name_confirmation || "") != @group.name}
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aria-label={gettext("Delete group")}
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>
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{gettext("Delete")}
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</button>
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</div>
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</div>
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</dialog>
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<% end %>
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</Layouts.app>
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"""
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end
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@impl true
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def handle_event("open_delete_modal", _params, socket) do
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{:noreply, assign(socket, show_delete_modal: true, name_confirmation: "")}
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end
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def handle_event("cancel_delete", _params, socket) do
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{:noreply,
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socket
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|> assign(:show_delete_modal, false)
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|> assign(:name_confirmation, "")}
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end
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def handle_event("update_name_confirmation", %{"name" => name}, socket) do
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{:noreply, assign(socket, :name_confirmation, name)}
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end
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def handle_event("confirm_delete", %{"slug" => slug}, socket) do
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actor = current_actor(socket)
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case Membership.get_group_by_slug(slug, actor: actor) do
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{:ok, nil} ->
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{:noreply,
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socket
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|> put_flash(:error, gettext("Group not found."))
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|> redirect(to: ~p"/groups")}
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{:ok, group} ->
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if socket.assigns.name_confirmation == group.name do
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case Membership.destroy_group(group, actor: actor) do
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:ok ->
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{:noreply,
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socket
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|> put_flash(:info, gettext("Group deleted successfully."))
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|> redirect(to: ~p"/groups")}
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{:error, error} ->
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error_message = format_error(error)
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{:noreply,
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socket
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|> put_flash(
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:error,
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gettext("Failed to delete group: %{error}", error: error_message)
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)
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|> assign(:show_delete_modal, false)
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|> assign(:name_confirmation, "")}
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end
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else
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{:noreply,
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socket
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|> put_flash(:error, gettext("Group name does not match."))
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|> assign(:show_delete_modal, false)
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|> assign(:name_confirmation, "")}
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end
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{:error, _error} ->
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{:noreply,
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socket
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|> put_flash(:error, gettext("Failed to load group."))
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|> redirect(to: ~p"/groups")}
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end
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end
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defp format_error(%{message: message}) when is_binary(message), do: message
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defp format_error(error), do: inspect(error)
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end
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