1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
defmodule Aggiedit.Rooms do
@moduledoc """
The Rooms context.
"""
import Ecto.Query, warn: false
alias Aggiedit.Repo
alias Aggiedit.Accounts
alias Aggiedit.Rooms.Room
@doc """
Returns the list of rooms.
## Examples
iex> list_rooms()
[%Room{}, ...]
"""
def list_rooms do
Repo.all(Room)
end
@doc """
Gets a single room.
Raises `Ecto.NoResultsError` if the Room does not exist.
## Examples
iex> get_room!(123)
%Room{}
iex> get_room!(456)
** (Ecto.NoResultsError)
"""
def get_room!(id), do: Repo.get!(Room, id)
@doc """
Creates a room.
## Examples
iex> create_room(%{field: value})
{:ok, %Room{}}
iex> create_room(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_room(attrs \\ %{}) do
%Room{}
|> Room.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a room.
## Examples
iex> update_room(room, %{field: new_value})
{:ok, %Room{}}
iex> update_room(room, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_room(%Room{} = room, attrs) do
room
|> Room.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a room.
## Examples
iex> delete_room(room)
{:ok, %Room{}}
iex> delete_room(room)
{:error, %Ecto.Changeset{}}
"""
def delete_room(%Room{} = room) do
Repo.delete(room)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking room changes.
## Examples
iex> change_room(room)
%Ecto.Changeset{data: %Room{}}
"""
def change_room(%Room{} = room, attrs \\ %{}) do
Room.changeset(room, attrs)
end
def create_or_find_room_with_domain(domain) do
case Repo.get_by(Room, domain: domain) do
room=%Room{} -> {:ok, room}
nil -> create_room(%{domain: domain})
end
end
alias Aggiedit.Rooms.Post
def list_posts do
Repo.all(Post)
end
def posts_in_room(room_id) do
Repo.all((from p in Post, where: p.room_id == ^room_id, select: p))
end
@doc """
Gets a single post.
Raises `Ecto.NoResultsError` if the Post does not exist.
## Examples
iex> get_post!(123)
%Post{}
iex> get_post!(456)
** (Ecto.NoResultsError)
"""
def get_post!(id), do: Repo.get!(Post, id)
def create_post(attrs, user, after_save \\ &{:ok, &1}) do
user = Repo.preload(user, :room)
%Post{}
|> Repo.preload([:user, :room])
|> Post.changeset(attrs)
|> Ecto.Changeset.put_assoc(:user, user)
|> Ecto.Changeset.put_assoc(:room, user.room)
|> Repo.insert()
|> post_saved(after_save)
end
def update_post(%Post{} = post, attrs, after_save \\ &{:ok, &1}) do
post
|> Post.changeset(attrs)
|> Repo.update()
|> post_saved(after_save)
end
defp post_saved({:ok, post}, func) do
{:ok, _post} = func.(post)
end
defp post_saved(error, _fun), do: error
@doc """
Deletes a post.
## Examples
iex> delete_post(post)
{:ok, %Post{}}
iex> delete_post(post)
{:error, %Ecto.Changeset{}}
"""
def delete_post(%Post{} = post) do
Repo.delete(post)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking post changes.
## Examples
iex> change_post(post)
%Ecto.Changeset{data: %Post{}}
"""
def change_post(%Post{} = post, attrs \\ %{}) do
Post.changeset(post, attrs)
end
end
|
