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authboss/views.go
Aaron 8b87d9c826 Add many tests.
- Finish up render package, rename some things.
- Add authboss view data/error tests.
2015-02-20 05:08:11 -08:00

59 lines
1.4 KiB
Go

package authboss
import "net/http"
// ViewDataMaker asks for an HTMLData object to assist with rendering.
type ViewDataMaker func(http.ResponseWriter, *http.Request) HTMLData
// HTMLData is used to render templates with.
type HTMLData map[string]interface{}
// NewHTMLData creates HTMLData from key-value pairs. The input is a key-value
// slice, where odd elements are keys, and the following even element is their value.
func NewHTMLData(data ...interface{}) HTMLData {
if len(data)%2 != 0 {
panic("It should be a key value list of arguments.")
}
h := make(HTMLData)
for i := 0; i < len(data)-1; i += 2 {
k, ok := data[i].(string)
if !ok {
panic("Keys must be strings.")
}
h[k] = data[i+1]
}
return h
}
// Merge adds the data from other to h. If there are conflicting keys
// they are overwritten by other's values.
func (h HTMLData) Merge(other HTMLData) HTMLData {
for k, v := range other {
h[k] = v
}
return h
}
// MergeKV adds extra key-values to the HTMLData. The input is a key-value
// slice, where odd elements are keys, and the following even element is their value.
func (h HTMLData) MergeKV(data ...interface{}) HTMLData {
if len(data)%2 != 0 {
panic("It should be a key value list of arguments.")
}
for i := 0; i < len(data)-1; i += 2 {
k, ok := data[i].(string)
if !ok {
panic("Keys must be strings.")
}
h[k] = data[i+1]
}
return h
}