1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace LaravelFreelancerNL\FluentAQL; |
4
|
|
|
|
5
|
|
|
use LaravelFreelancerNL\FluentAQL\AQL\HasFunctions; |
6
|
|
|
use LaravelFreelancerNL\FluentAQL\AQL\HasGraphClauses; |
7
|
|
|
use LaravelFreelancerNL\FluentAQL\AQL\HasQueryClauses; |
8
|
|
|
use LaravelFreelancerNL\FluentAQL\AQL\HasStatementClauses; |
9
|
|
|
use LaravelFreelancerNL\FluentAQL\AQL\HasSupportCommands; |
10
|
|
|
use LaravelFreelancerNL\FluentAQL\Clauses\Clause; |
11
|
|
|
use LaravelFreelancerNL\FluentAQL\Exceptions\BindException; |
12
|
|
|
use LaravelFreelancerNL\FluentAQL\Expressions\BindExpression; |
13
|
|
|
use LaravelFreelancerNL\FluentAQL\Expressions\Expression; |
14
|
|
|
use LaravelFreelancerNL\FluentAQL\Expressions\ExpressionInterface; |
15
|
|
|
use LaravelFreelancerNL\FluentAQL\Traits\NormalizesExpressions; |
16
|
|
|
|
17
|
|
|
/** |
18
|
|
|
* Class QueryBuilder |
19
|
|
|
* Fluent ArangoDB AQL Query Builder. |
20
|
|
|
* Creates and compiles AQL queries. Returns all data necessary to run the query, |
21
|
|
|
* including bindings and a list of used read/write collections. |
22
|
|
|
*/ |
23
|
|
|
class QueryBuilder |
24
|
|
|
{ |
25
|
|
|
use NormalizesExpressions; |
26
|
|
|
use HasQueryClauses; |
27
|
|
|
use HasStatementClauses; |
28
|
|
|
use HasGraphClauses; |
29
|
|
|
use HasFunctions; |
30
|
|
|
use HasSupportCommands; |
31
|
|
|
|
32
|
|
|
/** |
33
|
|
|
* The database query grammar instance. |
34
|
|
|
* |
35
|
|
|
* @var Grammar |
36
|
|
|
*/ |
37
|
|
|
public $grammar; |
38
|
|
|
|
39
|
|
|
/** |
40
|
|
|
* The AQL query. |
41
|
|
|
* |
42
|
|
|
* @var |
43
|
|
|
*/ |
44
|
|
|
public $query; |
45
|
|
|
|
46
|
|
|
/** |
47
|
|
|
* Bindings for $query. |
48
|
|
|
* |
49
|
|
|
* @var |
50
|
|
|
*/ |
51
|
|
|
public $binds = []; |
52
|
|
|
|
53
|
|
|
/** |
54
|
|
|
* List of read/write/exclusive collections required for transactions. |
55
|
|
|
* |
56
|
|
|
* @var array |
57
|
|
|
*/ |
58
|
|
|
public $collections; |
59
|
|
|
|
60
|
|
|
/** |
61
|
|
|
* List of Clauses to be compiled into a query. |
62
|
|
|
*/ |
63
|
|
|
protected $commands = []; |
64
|
|
|
|
65
|
|
|
/** |
66
|
|
|
* Registry of variable names used in this query. |
67
|
|
|
*/ |
68
|
|
|
protected $variables = []; |
69
|
|
|
|
70
|
|
|
/** |
71
|
|
|
* ID of the query |
72
|
|
|
* Used as prefix for automatically generated bindings. |
73
|
|
|
* |
74
|
|
|
* @var int |
75
|
|
|
*/ |
76
|
|
|
protected $queryId = 1; |
77
|
|
|
|
78
|
14 |
|
public function __construct() |
79
|
|
|
{ |
80
|
14 |
|
$this->grammar = new Grammar(); |
81
|
|
|
|
82
|
14 |
|
$this->queryId = spl_object_id($this); |
83
|
14 |
|
} |
84
|
|
|
|
85
|
|
|
/** |
86
|
|
|
* Add an AQL command (raw AQL and Clauses. |
87
|
|
|
* |
88
|
|
|
* @param Clause|Expression|QueryBuilder $command |
89
|
|
|
*/ |
90
|
9 |
|
public function addCommand($command) |
91
|
|
|
{ |
92
|
9 |
|
$this->commands[] = $command; |
93
|
9 |
|
} |
94
|
|
|
|
95
|
|
|
/** |
96
|
|
|
* Get the clause list. |
97
|
|
|
* |
98
|
|
|
* @return mixed |
99
|
|
|
*/ |
100
|
3 |
|
public function getCommands() |
101
|
|
|
{ |
102
|
3 |
|
return $this->commands; |
103
|
|
|
} |
104
|
|
|
|
105
|
|
|
/** |
106
|
|
|
* Get the last, or a specific, command. |
107
|
|
|
* |
108
|
|
|
* @param int|null $index |
109
|
|
|
* |
110
|
|
|
* @return mixed |
111
|
|
|
*/ |
112
|
3 |
|
public function getCommand(int $index = null) |
113
|
|
|
{ |
114
|
3 |
|
if ($index === null) { |
115
|
|
|
return end($this->commands); |
116
|
|
|
} |
117
|
|
|
|
118
|
3 |
|
return $this->commands[$index]; |
119
|
|
|
} |
120
|
|
|
|
121
|
|
|
/** |
122
|
|
|
* Remove the last, or the specified, Command. |
123
|
|
|
* |
124
|
|
|
* @param number|null $index |
125
|
|
|
* @return bool |
126
|
|
|
*/ |
127
|
2 |
|
public function removeCommand($index = null): bool |
128
|
|
|
{ |
129
|
2 |
|
if ($index === null) { |
130
|
1 |
|
return (array_pop($this->commands)) ? true : false; |
131
|
|
|
} |
132
|
1 |
|
if (isset($this->commands[$index])) { |
133
|
1 |
|
unset($this->commands[$index]); |
134
|
|
|
|
135
|
1 |
|
return true; |
136
|
|
|
} |
137
|
|
|
|
138
|
|
|
return false; |
139
|
|
|
} |
140
|
|
|
|
141
|
|
|
/** |
142
|
|
|
* @param mixed $collections |
143
|
|
|
* @param string $mode |
144
|
|
|
* |
145
|
|
|
* @return QueryBuilder |
146
|
|
|
*/ |
147
|
1 |
|
public function registerCollections($collections, $mode = 'write'): self |
148
|
|
|
{ |
149
|
1 |
|
if (!is_array($collections)) { |
150
|
1 |
|
$collections = [$collections]; |
151
|
|
|
} |
152
|
|
|
|
153
|
1 |
|
$this->collections[$mode] = array_unique(array_merge($collections)); |
154
|
|
|
|
155
|
1 |
|
return $this; |
156
|
|
|
} |
157
|
|
|
|
158
|
|
|
/** |
159
|
|
|
* Register variables on declaration for later data normalization. |
160
|
|
|
* |
161
|
|
|
* @param string|array $variableName |
162
|
|
|
* |
163
|
|
|
* @return QueryBuilder |
164
|
|
|
*/ |
165
|
5 |
|
public function registerVariable($variableName): self |
166
|
|
|
{ |
167
|
5 |
|
if ($variableName instanceof ExpressionInterface) { |
|
|
|
|
168
|
|
|
$variableName = $variableName->compile($this); |
169
|
|
|
} |
170
|
5 |
|
if (is_string($variableName)) { |
171
|
5 |
|
$variableName = [$variableName => $variableName]; |
172
|
|
|
} |
173
|
|
|
|
174
|
5 |
|
$this->variables = array_unique(array_merge($this->variables, $variableName)); |
175
|
|
|
|
176
|
5 |
|
return $this; |
177
|
|
|
} |
178
|
|
|
|
179
|
|
|
/** |
180
|
|
|
* Bind data to a variable. |
181
|
|
|
* |
182
|
|
|
* @param $data |
183
|
|
|
* @param string|null $to |
184
|
|
|
* @throws BindException |
185
|
|
|
* @return BindExpression |
186
|
|
|
*/ |
187
|
2 |
|
public function bind($data, $to = null): BindExpression |
188
|
|
|
{ |
189
|
2 |
|
$this->validateBindVariable($to); |
190
|
|
|
|
191
|
2 |
|
$to = $this->generateBindVariable($to); |
192
|
|
|
|
193
|
2 |
|
$this->binds[$to] = $data; |
194
|
|
|
|
195
|
2 |
|
$to = $this->grammar->formatBind($to, false); |
196
|
|
|
|
197
|
2 |
|
return new BindExpression($to); |
198
|
|
|
} |
199
|
|
|
|
200
|
|
|
/** |
201
|
|
|
* Bind a collection name to a variable. |
202
|
|
|
* |
203
|
|
|
* @param $data |
204
|
|
|
* @param string|null $to |
205
|
|
|
* @throws BindException |
206
|
|
|
* @return BindExpression |
207
|
|
|
*/ |
208
|
1 |
|
public function bindCollection($data, $to = null): BindExpression |
209
|
|
|
{ |
210
|
1 |
|
$this->validateBindVariable($to); |
211
|
|
|
|
212
|
1 |
|
$to = $this->generateBindVariable($to); |
213
|
|
|
|
214
|
1 |
|
$this->binds[$to] = $data; |
215
|
|
|
|
216
|
1 |
|
$to = $this->grammar->formatBind($to, true); |
217
|
|
|
|
218
|
1 |
|
return new BindExpression($to); |
219
|
|
|
} |
220
|
|
|
|
221
|
3 |
|
protected function validateBindVariable($to) |
222
|
|
|
{ |
223
|
3 |
|
if (isset($to) && !$this->grammar->isBindParameter($to)) { |
224
|
|
|
throw new BindException('Invalid bind parameter.'); |
225
|
|
|
} |
226
|
3 |
|
} |
227
|
|
|
|
228
|
3 |
|
protected function generateBindVariable($to) |
229
|
|
|
{ |
230
|
3 |
|
if ($to == null) { |
231
|
3 |
|
$to = $this->queryId . '_' . (count($this->binds) + 1); |
232
|
|
|
} |
233
|
3 |
|
return $to; |
234
|
|
|
} |
235
|
|
|
|
236
|
|
|
|
237
|
|
|
/** |
238
|
|
|
* Compile the query with its bindings and collection list. |
239
|
|
|
* |
240
|
|
|
* @return mixed |
241
|
|
|
*/ |
242
|
6 |
|
public function compile(): self |
243
|
|
|
{ |
244
|
6 |
|
$this->query = ''; |
245
|
6 |
|
foreach ($this->commands as $command) { |
246
|
5 |
|
$this->query .= ' ' . $command->compile($this); |
247
|
|
|
} |
248
|
6 |
|
$this->query = trim($this->query); |
249
|
|
|
|
250
|
6 |
|
return $this; |
251
|
|
|
} |
252
|
|
|
|
253
|
|
|
/** |
254
|
|
|
* @return QueryBuilder $this |
255
|
|
|
*/ |
256
|
6 |
|
public function get() |
257
|
|
|
{ |
258
|
6 |
|
$this->compile(); |
259
|
|
|
|
260
|
6 |
|
return $this; |
261
|
|
|
} |
262
|
|
|
|
263
|
|
|
/** |
264
|
|
|
* @return QueryBuilder $this |
265
|
|
|
*/ |
266
|
4 |
|
public function getQueryId() |
267
|
|
|
{ |
268
|
4 |
|
return $this->queryId; |
|
|
|
|
269
|
|
|
} |
270
|
|
|
|
271
|
|
|
/** |
272
|
|
|
* @return string |
273
|
|
|
*/ |
274
|
5 |
|
public function toAql() |
275
|
|
|
{ |
276
|
5 |
|
return $this->get()->query; |
277
|
|
|
} |
278
|
|
|
|
279
|
4 |
|
public function __toString() |
280
|
|
|
{ |
281
|
4 |
|
return $this->toAql(); |
282
|
|
|
} |
283
|
|
|
|
284
|
4 |
|
public function getVariables() |
285
|
|
|
{ |
286
|
4 |
|
return $this->variables; |
287
|
|
|
} |
288
|
|
|
} |
289
|
|
|
|