-
Notifications
You must be signed in to change notification settings - Fork 0
/
shift.go
252 lines (207 loc) · 5.75 KB
/
shift.go
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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
package handlers
import (
"errors"
"github.com/btnmasher/shiftr/api/models"
"github.com/labstack/echo/v4"
"gorm.io/gorm"
"net/http"
"time"
)
func CreateShift() func(echo.Context) error {
return func(c echo.Context) error {
// Collect the submitted data from the user
data := &models.Shift{}
err := c.Bind(data)
if err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "invalid object")
}
// Prepare a new object to write to the database
shift := models.Shift{
UserID: data.UserID,
Start: data.Start,
End: data.End,
}
// Ensure we have all necessary fields to create the object
err = shift.Validate()
if err != nil {
return echo.NewHTTPError(http.StatusBadRequest, err.Error())
}
// Collect context values
role := c.Get("role").(string)
uid := c.Get("id").(string)
// Constrain the user from creating a shift object for another user if not admin
if role == "user" {
if uid != shift.UserID {
return echo.ErrUnauthorized
}
}
// Collect the database reference from context
db := c.Get("db").(*gorm.DB)
// Attempt to write the new object to the database
err = shift.Create(db)
if err != nil {
return err
}
return c.JSON(http.StatusOK, shift)
}
}
func UpdateShift() func(echo.Context) error {
return func(c echo.Context) error {
// Collect the submitted data from the user
data := &models.Shift{}
err := c.Bind(data)
if err != nil {
return echo.NewHTTPError(http.StatusBadRequest, "invalid object")
}
// Collect parameters and context values
sid := c.Param("id")
role := c.Get("role").(string)
uid := c.Get("id").(string)
db := c.Get("db").(*gorm.DB)
// Check if the shift already exists
shift, err := models.FindShiftByID(db, sid)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return echo.ErrNotFound
}
return err
}
// Constrain the user from changing the UserID of the Shift object if not admin
if role == "user" {
if shift.UserID != uid {
return echo.ErrUnauthorized
}
if data.UserID != "" && data.UserID != uid {
return echo.ErrUnauthorized
}
}
// Prepare a new object to write to the database
change := models.Shift{
ID: sid,
UserID: data.UserID,
Start: data.Start,
End: data.End,
}
// Ensure there are no zero values before writing
if data.UserID == "" {
change.UserID = shift.UserID
}
if data.Start.IsZero() {
change.Start = shift.End
}
if data.End.IsZero() {
change.End = shift.End
}
// Attempt to write the new object to the database
err = change.Update(db)
if err != nil {
return err
}
return c.JSON(http.StatusOK, change)
}
}
func ListShifts() func(echo.Context) error {
return func(c echo.Context) error {
// A temporary struct to hold our user submitted data for binding
var params struct {
UserID string `query:"user_id"`
Start time.Time `query:"filter_start"` // RFC33339
End time.Time `query:"filter_end"` // RFC33339
Limit int `query:"limit"`
}
// Collect the submitted data from the user
err := c.Bind(¶ms)
if err != nil {
return echo.NewHTTPError(http.StatusBadRequest,
"invalid parameters")
}
// Collect context values
role := c.Get("role").(string)
uid := c.Get("id").(string)
// Constrain the user from listing shifts from another user if not admin
if role == "user" {
if uid != params.UserID {
if params.UserID == "" {
// Ensure the user only receives relevant results for their UserID
params.UserID = uid
} else {
return echo.ErrUnauthorized
}
}
}
// Ensure that the timestamp received isn't malformed
if !params.Start.IsZero() && !params.End.IsZero() {
if params.Start.After(params.End) {
return echo.NewHTTPError(http.StatusBadRequest,
"filter span start time must precede span end time")
}
}
// Collect database reference from context
db := c.Get("db").(*gorm.DB)
// Attempt to write the changes to the database
shifts, err := models.ListShifts(db,
models.FilterUserID(params.UserID),
models.FilterStart(params.Start),
models.FilterEnd(params.End),
models.WithLimit(params.Limit),
)
//shifts, err := models.ListShifts(db, params.UserID, params.Limit, params.Start, params.End)
if err != nil {
return err
}
return c.JSON(http.StatusOK, shifts)
}
}
func GetShift() func(ctx echo.Context) error {
return func(c echo.Context) error {
// Collect parameters and context values
sid := c.Param("id")
db := c.Get("db").(*gorm.DB)
role := c.Get("role").(string)
uid := c.Get("id").(string)
// Attempt to find the shift in the database
shift, err := models.FindShiftByID(db, sid)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return echo.ErrNotFound
}
return err
}
// Constrain the user from fetching shifts that do not match their UserID if not admin
if role == "user" {
if uid != shift.UserID {
return echo.ErrUnauthorized
}
}
return c.JSON(http.StatusOK, shift)
}
}
func DeleteShift() func(ctx echo.Context) error {
return func(c echo.Context) error {
// Collect parameters and context values
sid := c.Param("id")
db := c.Get("db").(*gorm.DB)
role := c.Get("role").(string)
uid := c.Get("id").(string)
// Attempt to find the shift in the database
shift, err := models.FindShiftByID(db, sid)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return echo.ErrNotFound
}
return err
}
// Constrain the user from deleting shifts that do not match their UserID if not admin
if role == "user" {
if uid != shift.UserID {
return echo.ErrUnauthorized
}
}
// Attempt to delete the object from the database
err = shift.Delete(db)
if err != nil {
return err
}
return c.NoContent(http.StatusNoContent)
}
}