forked from rancher/convoy
/
schemas.go
129 lines (109 loc) · 2.71 KB
/
schemas.go
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package client
import (
"reflect"
"strings"
)
type Schemas struct {
Collection
Data []Schema `json:"data,omitempty"`
schemasByName map[string]*Schema
}
func (s *Schema) CheckField(name string) (Field, bool) {
for fieldName := range s.ResourceFields {
if fieldName == name {
v, ok := s.ResourceFields[fieldName]
return v, ok
}
}
return Field{}, false
}
func (s *Schema) Field(name string) Field {
f, _ := s.CheckField(name)
return f
}
func (s *Schemas) CheckSchema(name string) (Schema, bool) {
for i := range s.Data {
if s.Data[i].Id == name {
return s.Data[i], true
}
}
return Schema{}, false
}
func (s *Schemas) Schema(name string) Schema {
r, _ := s.CheckSchema(name)
return r
}
func typeToFields(t reflect.Type) map[string]Field {
result := map[string]Field{}
for i := 0; i < t.NumField(); i++ {
schemaField := Field{}
typeField := t.Field(i)
if typeField.Anonymous && typeField.Type.Kind() == reflect.Struct {
parentFields := typeToFields(typeField.Type)
for k, v := range result {
parentFields[k] = v
}
result = parentFields
continue
} else if typeField.Anonymous {
continue
}
fieldString := strings.ToLower(typeField.Type.Kind().String())
switch {
case strings.HasPrefix(fieldString, "int") || strings.HasPrefix(fieldString, "uint"):
schemaField.Type = "int"
case fieldString == "bool":
schemaField.Type = fieldString
case fieldString == "float32" || fieldString == "float64":
schemaField.Type = "float"
case fieldString == "string":
schemaField.Type = "string"
case fieldString == "map":
// HACK
schemaField.Type = "map[string]"
case fieldString == "slice":
// HACK
schemaField.Type = "array[string]"
}
name := strings.Split(typeField.Tag.Get("json"), ",")[0]
if name == "" && len(typeField.Name) > 1 {
name = strings.ToLower(typeField.Name[0:1]) + typeField.Name[1:]
} else if name == "" {
name = typeField.Name
}
if schemaField.Type != "" {
result[name] = schemaField
}
}
return result
}
func (s *Schemas) AddType(schemaName string, obj interface{}) *Schema {
t := reflect.TypeOf(obj)
schema := Schema{
Resource: Resource{
Id: schemaName,
Type: "schema",
Links: map[string]string{},
},
PluralName: guessPluralName(schemaName),
ResourceFields: typeToFields(t),
CollectionMethods: []string{"GET"},
ResourceMethods: []string{"GET"},
}
if s.Data == nil {
s.Data = []Schema{}
}
s.Data = append(s.Data, schema)
return &s.Data[len(s.Data)-1]
}
func guessPluralName(name string) string {
if name == "" {
return ""
}
if strings.HasSuffix(name, "s") ||
strings.HasSuffix(name, "ch") ||
strings.HasSuffix(name, "x") {
return name + "es"
}
return name + "s"
}