initial commit

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/eventos/accounts/account.ex

@@ -0,0 +1,32 @@
+defmodule Eventos.Accounts.Account do
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Eventos.Accounts.{Account, GroupAccount, GroupRequest, Group, User}
+  alias Eventos.Events.Event
+
+
+  schema "accounts" do
+    field :description, :string
+    field :display_name, :string
+    field :domain, :string
+    field :private_key, :string
+    field :public_key, :string
+    field :suspended, :boolean, default: false
+    field :uri, :string
+    field :url, :string
+    field :username, :string
+    has_many :organized_events, Event
+    many_to_many :groups, Group, join_through: GroupAccount
+    has_many :group_request, GroupRequest
+    has_one :user_id, User
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%Account{} = account, attrs) do
+    account
+    |> cast(attrs, [:username, :domain, :display_name, :description, :private_key, :public_key, :suspended, :uri, :url])
+    |> validate_required([:username, :domain, :display_name, :description, :private_key, :public_key, :suspended, :uri, :url])
+  end
+end

lib/eventos/accounts/accounts.ex

@@ -0,0 +1,488 @@
+defmodule Eventos.Accounts do
+  @moduledoc """
+  The Accounts context.
+  """
+
+  import Ecto.Query, warn: false
+  alias Eventos.Repo
+
+  alias Eventos.Accounts.User
+
+  @doc """
+  Returns the list of users.
+
+  ## Examples
+
+      iex> list_users()
+      [%User{}, ...]
+
+  """
+  def list_users do
+    Repo.all(User)
+  end
+
+  @doc """
+  Gets a single user.
+
+  Raises `Ecto.NoResultsError` if the User does not exist.
+
+  ## Examples
+
+      iex> get_user!(123)
+      %User{}
+
+      iex> get_user!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_user!(id), do: Repo.get!(User, id)
+
+  @doc """
+  Creates a user.
+
+  ## Examples
+
+      iex> create_user(%{field: value})
+      {:ok, %User{}}
+
+      iex> create_user(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_user(attrs \\ %{}) do
+    %User{}
+    |> User.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a user.
+
+  ## Examples
+
+      iex> update_user(user, %{field: new_value})
+      {:ok, %User{}}
+
+      iex> update_user(user, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_user(%User{} = user, attrs) do
+    user
+    |> User.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a User.
+
+  ## Examples
+
+      iex> delete_user(user)
+      {:ok, %User{}}
+
+      iex> delete_user(user)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_user(%User{} = user) do
+    Repo.delete(user)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking user changes.
+
+  ## Examples
+
+      iex> change_user(user)
+      %Ecto.Changeset{source: %User{}}
+
+  """
+  def change_user(%User{} = user) do
+    User.changeset(user, %{})
+  end
+
+  alias Eventos.Accounts.Account
+
+  @doc """
+  Returns the list of accounts.
+
+  ## Examples
+
+      iex> list_accounts()
+      [%Account{}, ...]
+
+  """
+  def list_accounts do
+    Repo.all(Account)
+  end
+
+  @doc """
+  Gets a single account.
+
+  Raises `Ecto.NoResultsError` if the Account does not exist.
+
+  ## Examples
+
+      iex> get_account!(123)
+      %Account{}
+
+      iex> get_account!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_account!(id), do: Repo.get!(Account, id)
+
+  @doc """
+  Creates a account.
+
+  ## Examples
+
+      iex> create_account(%{field: value})
+      {:ok, %Account{}}
+
+      iex> create_account(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_account(attrs \\ %{}) do
+    %Account{}
+    |> Account.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a account.
+
+  ## Examples
+
+      iex> update_account(account, %{field: new_value})
+      {:ok, %Account{}}
+
+      iex> update_account(account, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_account(%Account{} = account, attrs) do
+    account
+    |> Account.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a Account.
+
+  ## Examples
+
+      iex> delete_account(account)
+      {:ok, %Account{}}
+
+      iex> delete_account(account)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_account(%Account{} = account) do
+    Repo.delete(account)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking account changes.
+
+  ## Examples
+
+      iex> change_account(account)
+      %Ecto.Changeset{source: %Account{}}
+
+  """
+  def change_account(%Account{} = account) do
+    Account.changeset(account, %{})
+  end
+
+  alias Eventos.Accounts.Group
+
+  @doc """
+  Returns the list of groups.
+
+  ## Examples
+
+      iex> list_groups()
+      [%Group{}, ...]
+
+  """
+  def list_groups do
+    Repo.all(Group)
+  end
+
+  @doc """
+  Gets a single group.
+
+  Raises `Ecto.NoResultsError` if the Group does not exist.
+
+  ## Examples
+
+      iex> get_group!(123)
+      %Group{}
+
+      iex> get_group!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_group!(id), do: Repo.get!(Group, id)
+
+  @doc """
+  Creates a group.
+
+  ## Examples
+
+      iex> create_group(%{field: value})
+      {:ok, %Group{}}
+
+      iex> create_group(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_group(attrs \\ %{}) do
+    %Group{}
+    |> Group.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a group.
+
+  ## Examples
+
+      iex> update_group(group, %{field: new_value})
+      {:ok, %Group{}}
+
+      iex> update_group(group, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_group(%Group{} = group, attrs) do
+    group
+    |> Group.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a Group.
+
+  ## Examples
+
+      iex> delete_group(group)
+      {:ok, %Group{}}
+
+      iex> delete_group(group)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_group(%Group{} = group) do
+    Repo.delete(group)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking group changes.
+
+  ## Examples
+
+      iex> change_group(group)
+      %Ecto.Changeset{source: %Group{}}
+
+  """
+  def change_group(%Group{} = group) do
+    Group.changeset(group, %{})
+  end
+
+  alias Eventos.Accounts.GroupAccount
+
+  @doc """
+  Returns the list of group_accounts.
+
+  ## Examples
+
+      iex> list_group_accounts()
+      [%GroupAccount{}, ...]
+
+  """
+  def list_group_accounts do
+    Repo.all(GroupAccount)
+  end
+
+  @doc """
+  Gets a single group_account.
+
+  Raises `Ecto.NoResultsError` if the Group account does not exist.
+
+  ## Examples
+
+      iex> get_group_account!(123)
+      %GroupAccount{}
+
+      iex> get_group_account!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_group_account!(id), do: Repo.get!(GroupAccount, id)
+
+  @doc """
+  Creates a group_account.
+
+  ## Examples
+
+      iex> create_group_account(%{field: value})
+      {:ok, %GroupAccount{}}
+
+      iex> create_group_account(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_group_account(attrs \\ %{}) do
+    %GroupAccount{}
+    |> GroupAccount.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a group_account.
+
+  ## Examples
+
+      iex> update_group_account(group_account, %{field: new_value})
+      {:ok, %GroupAccount{}}
+
+      iex> update_group_account(group_account, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_group_account(%GroupAccount{} = group_account, attrs) do
+    group_account
+    |> GroupAccount.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a GroupAccount.
+
+  ## Examples
+
+      iex> delete_group_account(group_account)
+      {:ok, %GroupAccount{}}
+
+      iex> delete_group_account(group_account)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_group_account(%GroupAccount{} = group_account) do
+    Repo.delete(group_account)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking group_account changes.
+
+  ## Examples
+
+      iex> change_group_account(group_account)
+      %Ecto.Changeset{source: %GroupAccount{}}
+
+  """
+  def change_group_account(%GroupAccount{} = group_account) do
+    GroupAccount.changeset(group_account, %{})
+  end
+
+  alias Eventos.Accounts.GroupRequest
+
+  @doc """
+  Returns the list of group_request.
+
+  ## Examples
+
+      iex> list_group_requests()
+      [%GroupRequest{}, ...]
+
+  """
+  def list_group_requests do
+    Repo.all(GroupRequest)
+  end
+
+  @doc """
+  Gets a single group_request.
+
+  Raises `Ecto.NoResultsError` if the Group request does not exist.
+
+  ## Examples
+
+      iex> get_group_request!(123)
+      %GroupRequest{}
+
+      iex> get_group_request!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_group_request!(id), do: Repo.get!(GroupRequest, id)
+
+  @doc """
+  Creates a group_request.
+
+  ## Examples
+
+      iex> create_group_request(%{field: value})
+      {:ok, %GroupRequest{}}
+
+      iex> create_group_request(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_group_request(attrs \\ %{}) do
+    %GroupRequest{}
+    |> GroupRequest.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a group_request.
+
+  ## Examples
+
+      iex> update_group_request(group_request, %{field: new_value})
+      {:ok, %GroupRequest{}}
+
+      iex> update_group_request(group_request, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_group_request(%GroupRequest{} = group_request, attrs) do
+    group_request
+    |> GroupRequest.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a GroupRequest.
+
+  ## Examples
+
+      iex> delete_group_request(group_request)
+      {:ok, %GroupRequest{}}
+
+      iex> delete_group_request(group_request)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_group_request(%GroupRequest{} = group_request) do
+    Repo.delete(group_request)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking group_request changes.
+
+  ## Examples
+
+      iex> change_group_request(group_request)
+      %Ecto.Changeset{source: %GroupRequest{}}
+
+  """
+  def change_group_request(%GroupRequest{} = group_request) do
+    GroupRequest.changeset(group_request, %{})
+  end
+end

lib/eventos/accounts/group.ex

@@ -0,0 +1,25 @@
+defmodule Eventos.Accounts.Group do
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Eventos.Accounts.{Group, Account, GroupAccount, GroupRequest}
+
+
+  schema "groups" do
+    field :description, :string
+    field :suspended, :boolean, default: false
+    field :title, :string
+    field :uri, :string
+    field :url, :string
+    many_to_many :accounts, Account, join_through: GroupAccount
+    has_many :requests, GroupRequest
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%Group{} = group, attrs) do
+    group
+    |> cast(attrs, [:title, :description, :suspended, :url, :uri])
+    |> validate_required([:title, :description, :suspended, :url, :uri])
+  end
+end

lib/eventos/accounts/group_account.ex

@@ -0,0 +1,21 @@
+defmodule Eventos.Accounts.GroupAccount do
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Eventos.Accounts.{GroupAccount, Account, Group}
+
+  @primary_key false
+  schema "group_accounts" do
+    field :role, :integer
+    belongs_to :group, Group
+    belongs_to :account, Account
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%GroupAccount{} = group_account, attrs) do
+    group_account
+    |> cast(attrs, [:role])
+    |> validate_required([:role])
+  end
+end

lib/eventos/accounts/group_request.ex

@@ -0,0 +1,20 @@
+defmodule Eventos.Accounts.GroupRequest do
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Eventos.Accounts.{GroupRequest}
+
+  schema "group_requests" do
+    field :state, :integer
+    field :group_id, :integer
+    field :account_id, :integer
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%GroupRequest{} = group_request, attrs) do
+    group_request
+    |> cast(attrs, [:state])
+    |> validate_required([:state])
+  end
+end

lib/eventos/accounts/user.ex

@@ -0,0 +1,43 @@
+defmodule Eventos.Accounts.User do
+  use Ecto.Schema
+  use Coherence.Schema
+  import Ecto.Changeset
+  alias Eventos.Accounts.{User}
+
+
+  schema "users" do
+    field :email, :string
+    field :role, :integer, default: 0
+    field :username, :string
+    field :account_id, :integer
+
+    coherence_schema()
+
+    timestamps()
+  end
+
+  def changeset(user, attrs, :password) do
+    user
+    |> cast(attrs, ~w(password password_confirmation reset_password_token reset_password_sent_at))
+    |> validate_coherence_password_reset(attrs)
+  end
+
+  def changeset(user, attrs, :registration) do
+    user
+    |> cast(attrs, [:username, :email] ++ coherence_fields())
+    |> validate_required([:username, :email])
+    |> validate_format(:email, ~r/@/)
+    |> unique_constraint(:username)
+    |> validate_coherence(attrs)
+  end
+
+  @doc false
+  def changeset(%User{} = user, attrs) do
+    user
+    |> cast(attrs, [:username, :email, :password_hash, :role] ++ coherence_fields())
+    |> validate_required([:username, :email])
+    |> unique_constraint(:username)
+    |> validate_format(:email, ~r/@/)
+    |> validate_coherence(attrs)
+  end
+end

lib/eventos/application.ex

@@ -0,0 +1,31 @@
+defmodule Eventos.Application do
+  use Application
+
+  # See https://hexdocs.pm/elixir/Application.html
+  # for more information on OTP Applications
+  def start(_type, _args) do
+    import Supervisor.Spec
+
+    # Define workers and child supervisors to be supervised
+    children = [
+      # Start the Ecto repository
+      supervisor(Eventos.Repo, []),
+      # Start the endpoint when the application starts
+      supervisor(EventosWeb.Endpoint, []),
+      # Start your own worker by calling: Eventos.Worker.start_link(arg1, arg2, arg3)
+      # worker(Eventos.Worker, [arg1, arg2, arg3]),
+    ]
+
+    # See https://hexdocs.pm/elixir/Supervisor.html
+    # for other strategies and supported options
+    opts = [strategy: :one_for_one, name: Eventos.Supervisor]
+    Supervisor.start_link(children, opts)
+  end
+
+  # Tell Phoenix to update the endpoint configuration
+  # whenever the application is updated.
+  def config_change(changed, _new, removed) do
+    EventosWeb.Endpoint.config_change(changed, removed)
+    :ok
+  end
+end

lib/eventos/coherence/invitation.ex

@@ -0,0 +1,40 @@
+defmodule Eventos.Coherence.Invitation do
+  @moduledoc """
+  Schema to support inviting a someone to create an account.
+  """
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  
+
+  schema "invitations" do
+    field :name, :string
+    field :email, :string
+    field :token, :string
+
+    timestamps()
+  end
+
+  @doc """
+  Creates a changeset based on the `model` and `params`.
+
+  If no params are provided, an invalid changeset is returned
+  with no validation performed.
+  """
+  @spec changeset(Ecto.Schema.t, Map.t) :: Ecto.Changeset.t
+  def changeset(model, params \\ %{}) do
+    model
+    |> cast(params, ~w(name email token))
+    |> validate_required([:name, :email])
+    |> unique_constraint(:email)
+    |> validate_format(:email, ~r/@/)
+  end
+
+  @doc """
+  Creates a changeset for a new schema
+  """
+  @spec new_changeset(Map.t) :: Ecto.Changeset.t
+  def new_changeset(params \\ %{}) do
+    changeset %__MODULE__{}, params
+  end
+end

lib/eventos/coherence/rememberable.ex

@@ -0,0 +1,44 @@
+defmodule Eventos.Coherence.Rememberable do
+  @moduledoc false
+  use Ecto.Schema
+
+  import Ecto.Changeset
+  import Ecto.Query
+
+  alias Coherence.Config
+
+  
+
+  schema "rememberables" do
+    field :series_hash, :string
+    field :token_hash, :string
+    field :token_created_at, Timex.Ecto.DateTime
+    belongs_to :user, Module.concat(Config.module, Config.user_schema)
+
+    timestamps()
+  end
+
+  use Coherence.Rememberable
+
+  @doc """
+  Creates a changeset based on the `model` and `params`.
+
+  If no params are provided, an invalid changeset is returned
+  with no validation performed.
+  """
+  @spec changeset(Ecto.Schema.t, Map.t) :: Ecto.Changeset.t
+  def changeset(model, params \\ %{}) do
+    model
+    |> cast(params, ~w(series_hash token_hash token_created_at user_id))
+    |> validate_required(~w(series_hash token_hash token_created_at user_id)a)
+  end
+
+  @doc """
+  Creates a changeset for a new schema
+  """
+  @spec new_changeset(Map.t) :: Ecto.Changeset.t
+  def new_changeset(params \\ %{}) do
+    changeset %Rememberable{}, params
+  end
+
+end

lib/eventos/coherence/schemas.ex

@@ -0,0 +1,141 @@
+defmodule Eventos.Coherence.Schemas do
+
+  use Coherence.Config
+
+  import Ecto.Query
+
+  @user_schema Config.user_schema
+  @repo        Config.repo
+
+  def list_user do
+    @repo.all @user_schema
+  end
+
+  def get_by_user(opts) do
+    @repo.get_by @user_schema, opts
+  end
+
+  def get_user(id) do
+    @repo.get @user_schema, id
+  end
+
+  def get_user!(id) do
+    @repo.get! @user_schema, id
+  end
+
+  def get_user_by_email(email) do
+    @repo.get_by @user_schema, email: email
+  end
+
+  def change_user(struct, params) do
+    @user_schema.changeset struct, params
+  end
+
+  def change_user(params) do
+    @user_schema.changeset @user_schema.__struct__, params
+  end
+
+  def change_user do
+    @user_schema.changeset @user_schema.__struct__, %{}
+  end
+
+  def update_user(user, params) do
+    @repo.update change_user(user, params)
+  end
+
+  def create_user(params) do
+    @repo.insert change_user(params)
+  end
+
+  Enum.each [Eventos.Coherence.Invitation, Eventos.Coherence.Rememberable], fn module ->
+
+    name =
+      module
+      |> Module.split
+      |> List.last
+      |> String.downcase
+
+    def unquote(String.to_atom("list_#{name}"))() do
+      @repo.all unquote(module)
+    end
+
+    def unquote(String.to_atom("list_#{name}"))(%Ecto.Query{} = query) do
+      @repo.all query
+    end
+
+    def unquote(String.to_atom("get_#{name}"))(id) do
+      @repo.get unquote(module), id
+    end
+
+    def unquote(String.to_atom("get_#{name}!"))(id) do
+      @repo.get! unquote(module), id
+    end
+
+    def unquote(String.to_atom("get_by_#{name}"))(opts) do
+      @repo.get_by unquote(module), opts
+    end
+
+    def unquote(String.to_atom("change_#{name}"))(struct, params) do
+      unquote(module).changeset(struct, params)
+    end
+
+    def unquote(String.to_atom("change_#{name}"))(params) do
+      unquote(module).new_changeset(params)
+    end
+
+    def unquote(String.to_atom("change_#{name}"))() do
+      unquote(module).new_changeset(%{})
+    end
+
+    def unquote(String.to_atom("create_#{name}"))(params) do
+      @repo.insert unquote(module).new_changeset(params)
+    end
+
+    def unquote(String.to_atom("update_#{name}"))(struct, params) do
+      @repo.update unquote(module).changeset(struct, params)
+    end
+
+    def unquote(String.to_atom("delete_#{name}"))(struct) do
+      @repo.delete struct
+    end
+  end
+  
+  def query_by(schema, opts) do
+    Enum.reduce opts, schema, fn {k, v}, query ->
+      where(query, [b], field(b, ^k) == ^v)
+    end
+  end
+
+  def delete_all(%Ecto.Query{} = query) do
+    @repo.delete_all query
+  end
+
+  def delete_all(module) when is_atom(module) do
+    @repo.delete_all module
+  end
+
+  def create(%Ecto.Changeset{} = changeset) do
+    @repo.insert changeset
+  end
+
+  def create!(%Ecto.Changeset{} = changeset) do
+    @repo.insert! changeset
+  end
+
+  def update(%Ecto.Changeset{} = changeset) do
+    @repo.update changeset
+  end
+
+  def update!(%Ecto.Changeset{} = changeset) do
+    @repo.update! changeset
+  end
+
+  def delete(schema) do
+    @repo.delete schema
+  end
+
+  def delete!(schema) do
+    @repo.delete! schema
+  end
+
+end

lib/eventos/events/category.ex

@@ -0,0 +1,21 @@
+defmodule Eventos.Events.Category do
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Eventos.Events.Category
+
+
+  schema "categories" do
+    field :picture, :string
+    field :title, :string
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%Category{} = category, attrs) do
+    category
+    |> cast(attrs, [:title, :picture])
+    |> validate_required([:title, :picture])
+    |> unique_constraint(:title)
+  end
+end

lib/eventos/events/event.ex

@@ -0,0 +1,26 @@
+defmodule Eventos.Events.Event do
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Eventos.Events.{Event, EventAccount, EventRequest}
+  alias Eventos.Accounts.Account
+
+
+  schema "events" do
+    field :begin_on, :utc_datetime
+    field :description, :string
+    field :ends_on, :utc_datetime
+    field :title, :string
+    has_one :organizer_id, Account
+    many_to_many :participants, Account, join_through: EventAccount
+    has_many :event_request, EventRequest
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%Event{} = event, attrs) do
+    event
+    |> cast(attrs, [:title, :description, :begin_on, :ends_on])
+    |> validate_required([:title, :description, :begin_on, :ends_on, :organizer_id])
+  end
+end

lib/eventos/events/event_accounts.ex

@@ -0,0 +1,22 @@
+defmodule Eventos.Events.EventAccounts do
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Eventos.Events.{EventAccounts, Event}
+  alias Eventos.Accounts.Account
+
+  @primary_key false
+  schema "event_accounts" do
+    field :roles, :integer
+    belongs_to :event, Event
+    belongs_to :account, Account
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%EventAccounts{} = event_accounts, attrs) do
+    event_accounts
+    |> cast(attrs, [:roles])
+    |> validate_required([:roles])
+  end
+end

lib/eventos/events/event_request.ex

@@ -0,0 +1,22 @@
+defmodule Eventos.Events.EventRequest do
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Eventos.Events.{EventRequest, Event}
+  alias Eventos.Accounts.Account
+
+
+  schema "event_requests" do
+    field :state, :integer
+    has_one :event_id, Event
+    has_one :account_id, Account
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%EventRequest{} = event_request, attrs) do
+    event_request
+    |> cast(attrs, [:state])
+    |> validate_required([:state])
+  end
+end

lib/eventos/events/events.ex

@@ -0,0 +1,488 @@
+defmodule Eventos.Events do
+  @moduledoc """
+  The Events context.
+  """
+
+  import Ecto.Query, warn: false
+  alias Eventos.Repo
+
+  alias Eventos.Events.Event
+
+  @doc """
+  Returns the list of events.
+
+  ## Examples
+
+      iex> list_events()
+      [%Event{}, ...]
+
+  """
+  def list_events do
+    Repo.all(Event)
+  end
+
+  @doc """
+  Gets a single event.
+
+  Raises `Ecto.NoResultsError` if the Event does not exist.
+
+  ## Examples
+
+      iex> get_event!(123)
+      %Event{}
+
+      iex> get_event!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_event!(id), do: Repo.get!(Event, id)
+
+  @doc """
+  Creates a event.
+
+  ## Examples
+
+      iex> create_event(%{field: value})
+      {:ok, %Event{}}
+
+      iex> create_event(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_event(attrs \\ %{}) do
+    %Event{}
+    |> Event.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a event.
+
+  ## Examples
+
+      iex> update_event(event, %{field: new_value})
+      {:ok, %Event{}}
+
+      iex> update_event(event, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_event(%Event{} = event, attrs) do
+    event
+    |> Event.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a Event.
+
+  ## Examples
+
+      iex> delete_event(event)
+      {:ok, %Event{}}
+
+      iex> delete_event(event)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_event(%Event{} = event) do
+    Repo.delete(event)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking event changes.
+
+  ## Examples
+
+      iex> change_event(event)
+      %Ecto.Changeset{source: %Event{}}
+
+  """
+  def change_event(%Event{} = event) do
+    Event.changeset(event, %{})
+  end
+
+  alias Eventos.Events.Category
+
+  @doc """
+  Returns the list of categories.
+
+  ## Examples
+
+      iex> list_categories()
+      [%Category{}, ...]
+
+  """
+  def list_categories do
+    Repo.all(Category)
+  end
+
+  @doc """
+  Gets a single category.
+
+  Raises `Ecto.NoResultsError` if the Category does not exist.
+
+  ## Examples
+
+      iex> get_category!(123)
+      %Category{}
+
+      iex> get_category!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_category!(id), do: Repo.get!(Category, id)
+
+  @doc """
+  Creates a category.
+
+  ## Examples
+
+      iex> create_category(%{field: value})
+      {:ok, %Category{}}
+
+      iex> create_category(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_category(attrs \\ %{}) do
+    %Category{}
+    |> Category.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a category.
+
+  ## Examples
+
+      iex> update_category(category, %{field: new_value})
+      {:ok, %Category{}}
+
+      iex> update_category(category, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_category(%Category{} = category, attrs) do
+    category
+    |> Category.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a Category.
+
+  ## Examples
+
+      iex> delete_category(category)
+      {:ok, %Category{}}
+
+      iex> delete_category(category)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_category(%Category{} = category) do
+    Repo.delete(category)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking category changes.
+
+  ## Examples
+
+      iex> change_category(category)
+      %Ecto.Changeset{source: %Category{}}
+
+  """
+  def change_category(%Category{} = category) do
+    Category.changeset(category, %{})
+  end
+
+  alias Eventos.Events.Tag
+
+  @doc """
+  Returns the list of tags.
+
+  ## Examples
+
+      iex> list_tags()
+      [%Tag{}, ...]
+
+  """
+  def list_tags do
+    Repo.all(Tag)
+  end
+
+  @doc """
+  Gets a single tag.
+
+  Raises `Ecto.NoResultsError` if the Tag does not exist.
+
+  ## Examples
+
+      iex> get_tag!(123)
+      %Tag{}
+
+      iex> get_tag!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_tag!(id), do: Repo.get!(Tag, id)
+
+  @doc """
+  Creates a tag.
+
+  ## Examples
+
+      iex> create_tag(%{field: value})
+      {:ok, %Tag{}}
+
+      iex> create_tag(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_tag(attrs \\ %{}) do
+    %Tag{}
+    |> Tag.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a tag.
+
+  ## Examples
+
+      iex> update_tag(tag, %{field: new_value})
+      {:ok, %Tag{}}
+
+      iex> update_tag(tag, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_tag(%Tag{} = tag, attrs) do
+    tag
+    |> Tag.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a Tag.
+
+  ## Examples
+
+      iex> delete_tag(tag)
+      {:ok, %Tag{}}
+
+      iex> delete_tag(tag)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_tag(%Tag{} = tag) do
+    Repo.delete(tag)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking tag changes.
+
+  ## Examples
+
+      iex> change_tag(tag)
+      %Ecto.Changeset{source: %Tag{}}
+
+  """
+  def change_tag(%Tag{} = tag) do
+    Tag.changeset(tag, %{})
+  end
+
+  alias Eventos.Events.EventAccounts
+
+  @doc """
+  Returns the list of event_accounts.
+
+  ## Examples
+
+      iex> list_event_accounts()
+      [%EventAccounts{}, ...]
+
+  """
+  def list_event_accounts do
+    Repo.all(EventAccounts)
+  end
+
+  @doc """
+  Gets a single event_accounts.
+
+  Raises `Ecto.NoResultsError` if the Event accounts does not exist.
+
+  ## Examples
+
+      iex> get_event_accounts!(123)
+      %EventAccounts{}
+
+      iex> get_event_accounts!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_event_accounts!(id), do: Repo.get!(EventAccounts, id)
+
+  @doc """
+  Creates a event_accounts.
+
+  ## Examples
+
+      iex> create_event_accounts(%{field: value})
+      {:ok, %EventAccounts{}}
+
+      iex> create_event_accounts(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_event_accounts(attrs \\ %{}) do
+    %EventAccounts{}
+    |> EventAccounts.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a event_accounts.
+
+  ## Examples
+
+      iex> update_event_accounts(event_accounts, %{field: new_value})
+      {:ok, %EventAccounts{}}
+
+      iex> update_event_accounts(event_accounts, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_event_accounts(%EventAccounts{} = event_accounts, attrs) do
+    event_accounts
+    |> EventAccounts.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a EventAccounts.
+
+  ## Examples
+
+      iex> delete_event_accounts(event_accounts)
+      {:ok, %EventAccounts{}}
+
+      iex> delete_event_accounts(event_accounts)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_event_accounts(%EventAccounts{} = event_accounts) do
+    Repo.delete(event_accounts)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking event_accounts changes.
+
+  ## Examples
+
+      iex> change_event_accounts(event_accounts)
+      %Ecto.Changeset{source: %EventAccounts{}}
+
+  """
+  def change_event_accounts(%EventAccounts{} = event_accounts) do
+    EventAccounts.changeset(event_accounts, %{})
+  end
+
+  alias Eventos.Events.EventRequest
+
+  @doc """
+  Returns the list of event_requests.
+
+  ## Examples
+
+      iex> list_event_requests()
+      [%EventRequest{}, ...]
+
+  """
+  def list_event_requests do
+    Repo.all(EventRequest)
+  end
+
+  @doc """
+  Gets a single event_request.
+
+  Raises `Ecto.NoResultsError` if the Event request does not exist.
+
+  ## Examples
+
+      iex> get_event_request!(123)
+      %EventRequest{}
+
+      iex> get_event_request!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_event_request!(id), do: Repo.get!(EventRequest, id)
+
+  @doc """
+  Creates a event_request.
+
+  ## Examples
+
+      iex> create_event_request(%{field: value})
+      {:ok, %EventRequest{}}
+
+      iex> create_event_request(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_event_request(attrs \\ %{}) do
+    %EventRequest{}
+    |> EventRequest.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a event_request.
+
+  ## Examples
+
+      iex> update_event_request(event_request, %{field: new_value})
+      {:ok, %EventRequest{}}
+
+      iex> update_event_request(event_request, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_event_request(%EventRequest{} = event_request, attrs) do
+    event_request
+    |> EventRequest.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a EventRequest.
+
+  ## Examples
+
+      iex> delete_event_request(event_request)
+      {:ok, %EventRequest{}}
+
+      iex> delete_event_request(event_request)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_event_request(%EventRequest{} = event_request) do
+    Repo.delete(event_request)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking event_request changes.
+
+  ## Examples
+
+      iex> change_event_request(event_request)
+      %Ecto.Changeset{source: %EventRequest{}}
+
+  """
+  def change_event_request(%EventRequest{} = event_request) do
+    EventRequest.changeset(event_request, %{})
+  end
+end

lib/eventos/events/tag.ex

@@ -0,0 +1,21 @@
+defmodule Eventos.Events.Tag do
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Eventos.Events.Tag
+
+
+  schema "tags" do
+    field :slug, :string
+    field :title, :string
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%Tag{} = tag, attrs) do
+    tag
+    |> cast(attrs, [:title, :slug])
+    |> validate_required([:title, :slug])
+    |> unique_constraint(:slug)
+  end
+end

lib/eventos/repo.ex

@@ -0,0 +1,11 @@
+defmodule Eventos.Repo do
+  use Ecto.Repo, otp_app: :eventos
+
+  @doc """
+  Dynamically loads the repository url from the
+  DATABASE_URL environment variable.
+  """
+  def init(_, opts) do
+    {:ok, Keyword.put(opts, :url, System.get_env("DATABASE_URL"))}
+  end
+end