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
|
package codegen
import (
"log"
"sort"
"strings"
"github.com/pkg/errors"
"github.com/vektah/gqlgen/neelance/schema"
"golang.org/x/tools/go/loader"
)
func (cfg *Config) buildObjects(types NamedTypes, prog *loader.Program, imports *Imports) (Objects, error) {
var objects Objects
for _, typ := range cfg.schema.Types {
switch typ := typ.(type) {
case *schema.Object:
obj, err := cfg.buildObject(types, typ)
if err != nil {
return nil, err
}
def, err := findGoType(prog, obj.Package, obj.GoType)
if err != nil {
return nil, err
}
if def != nil {
for _, bindErr := range bindObject(def.Type(), obj, imports) {
log.Println(bindErr.Error())
log.Println(" Adding resolver method")
}
}
objects = append(objects, obj)
}
}
sort.Slice(objects, func(i, j int) bool {
return strings.Compare(objects[i].GQLType, objects[j].GQLType) == -1
})
return objects, nil
}
var keywords = []string{
"break",
"default",
"func",
"interface",
"select",
"case",
"defer",
"go",
"map",
"struct",
"chan",
"else",
"goto",
"package",
"switch",
"const",
"fallthrough",
"if",
"range",
"type",
"continue",
"for",
"import",
"return",
"var",
}
func sanitizeGoName(name string) string {
for _, k := range keywords {
if name == k {
return name + "_"
}
}
return name
}
func (cfg *Config) buildObject(types NamedTypes, typ *schema.Object) (*Object, error) {
obj := &Object{NamedType: types[typ.TypeName()]}
typeEntry, entryExists := cfg.Models[typ.TypeName()]
for _, i := range typ.Interfaces {
obj.Satisfies = append(obj.Satisfies, i.Name)
}
for _, field := range typ.Fields {
var forceResolver bool
if entryExists {
if typeField, ok := typeEntry.Fields[field.Name]; ok {
forceResolver = typeField.Resolver
}
}
var args []FieldArgument
for _, arg := range field.Args {
newArg := FieldArgument{
GQLName: arg.Name.Name,
Type: types.getType(arg.Type),
Object: obj,
GoVarName: sanitizeGoName(arg.Name.Name),
}
if !newArg.Type.IsInput && !newArg.Type.IsScalar {
return nil, errors.Errorf("%s cannot be used as argument of %s.%s. only input and scalar types are allowed", arg.Type, obj.GQLType, field.Name)
}
if arg.Default != nil {
newArg.Default = arg.Default.Value(nil)
newArg.StripPtr()
}
args = append(args, newArg)
}
obj.Fields = append(obj.Fields, Field{
GQLName: field.Name,
Type: types.getType(field.Type),
Args: args,
Object: obj,
ForceResolver: forceResolver,
})
}
for name, typ := range cfg.schema.EntryPoints {
schemaObj := typ.(*schema.Object)
if schemaObj.TypeName() != obj.GQLType {
continue
}
obj.Root = true
if name == "mutation" {
obj.DisableConcurrency = true
}
if name == "subscription" {
obj.Stream = true
}
}
return obj, nil
}
|
