forked from rancher/wrangler
/
schemas.go
200 lines (167 loc) · 4.15 KB
/
schemas.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
package schemas
import (
"fmt"
"reflect"
"strings"
"sync"
"github.com/rancher/wrangler/pkg/data/convert"
"github.com/rancher/wrangler/pkg/merr"
"github.com/rancher/wrangler/pkg/name"
)
type SchemasInitFunc func(*Schemas) *Schemas
type MapperFactory func() Mapper
type FieldMapperFactory func(fieldName string, args ...string) Mapper
type Schemas struct {
sync.Mutex
processingTypes map[reflect.Type]*Schema
typeNames map[reflect.Type]string
schemasByID map[string]*Schema
mappers map[string][]Mapper
embedded map[string]*Schema
fieldMappers map[string]FieldMapperFactory
DefaultMapper MapperFactory
DefaultPostMapper MapperFactory
schemas []*Schema
}
func EmptySchemas() *Schemas {
s, _ := NewSchemas()
return s
}
func NewSchemas(schemas ...*Schemas) (*Schemas, error) {
var (
errs []error
)
s := &Schemas{
processingTypes: map[reflect.Type]*Schema{},
typeNames: map[reflect.Type]string{},
schemasByID: map[string]*Schema{},
mappers: map[string][]Mapper{},
embedded: map[string]*Schema{},
}
for _, schemas := range schemas {
if _, err := s.AddSchemas(schemas); err != nil {
errs = append(errs, err)
}
}
return s, merr.NewErrors(errs...)
}
func (s *Schemas) Init(initFunc SchemasInitFunc) *Schemas {
return initFunc(s)
}
func (s *Schemas) MustAddSchemas(schema *Schemas) *Schemas {
s, err := s.AddSchemas(schema)
if err != nil {
panic(err)
}
return s
}
func (s *Schemas) AddSchemas(schema *Schemas) (*Schemas, error) {
var errs []error
for _, schema := range schema.Schemas() {
if err := s.AddSchema(*schema); err != nil {
errs = append(errs, err)
}
}
return s, merr.NewErrors(errs...)
}
func (s *Schemas) RemoveSchema(schema Schema) *Schemas {
s.Lock()
defer s.Unlock()
return s.doRemoveSchema(schema)
}
func (s *Schemas) doRemoveSchema(schema Schema) *Schemas {
delete(s.schemasByID, schema.ID)
return s
}
func (s *Schemas) MustAddSchema(schema Schema) *Schemas {
err := s.AddSchema(schema)
if err != nil {
panic(err)
}
return s
}
func (s *Schemas) AddSchema(schema Schema) error {
s.Lock()
defer s.Unlock()
return s.doAddSchema(schema)
}
func (s *Schemas) doAddSchema(schema Schema) error {
if err := s.setupDefaults(&schema); err != nil {
return err
}
existing, ok := s.schemasByID[schema.ID]
if ok {
*existing = schema
} else {
s.schemasByID[schema.ID] = &schema
s.schemas = append(s.schemas, &schema)
}
return nil
}
func (s *Schemas) setupDefaults(schema *Schema) (err error) {
if schema.ID == "" {
return fmt.Errorf("ID is not set on schema: %v", schema)
}
if schema.PluralName == "" {
schema.PluralName = name.GuessPluralName(schema.ID)
}
if schema.CodeName == "" {
schema.CodeName = convert.Capitalize(schema.ID)
}
if schema.CodeNamePlural == "" {
schema.CodeNamePlural = name.GuessPluralName(schema.CodeName)
}
if err := s.assignMappers(schema); err != nil {
return err
}
return
}
func (s *Schemas) AddFieldMapper(name string, factory FieldMapperFactory) *Schemas {
if s.fieldMappers == nil {
s.fieldMappers = map[string]FieldMapperFactory{}
}
s.fieldMappers[name] = factory
return s
}
func (s *Schemas) AddMapper(schemaID string, mapper Mapper) *Schemas {
s.mappers[schemaID] = append(s.mappers[schemaID], mapper)
return s
}
func (s *Schemas) Schemas() []*Schema {
return s.schemas
}
func (s *Schemas) SchemasByID() map[string]*Schema {
return s.schemasByID
}
func (s *Schemas) mapper(schemaID string) []Mapper {
return s.mappers[schemaID]
}
func (s *Schemas) Schema(name string) *Schema {
return s.doSchema(name, true)
}
func (s *Schemas) doSchema(name string, lock bool) *Schema {
if lock {
s.Lock()
}
schema, ok := s.schemasByID[name]
if lock {
s.Unlock()
}
if ok {
return schema
}
for _, check := range s.schemas {
if strings.EqualFold(check.ID, name) || strings.EqualFold(check.PluralName, name) {
return check
}
}
return nil
}
func (s *Schema) MustCustomizeField(name string, f func(f Field) Field) *Schema {
field, ok := s.ResourceFields[name]
if !ok {
panic("Failed to find field " + name + " on schema " + s.ID)
}
s.ResourceFields[name] = f(field)
return s
}