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sourcemodel.go
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sourcemodel.go
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package csource
import (
"fmt"
"strings"
"github.com/pkg/errors"
"github.com/valyala/fasthttp"
"admini.dev/admini/app"
"admini.dev/admini/app/controller"
"admini.dev/admini/app/controller/cutil"
"admini.dev/admini/app/lib/schema"
"admini.dev/admini/app/lib/schema/model"
"admini.dev/admini/app/source"
"admini.dev/admini/app/util"
"admini.dev/admini/views/vsource"
)
func SourceModelDetail(rc *fasthttp.RequestCtx) {
controller.Act("source.model.detail", rc, func(as *app.State, ps *cutil.PageState) (string, error) {
src, sch, m, err := loadSourceModel(rc, as, ps.Logger)
if err != nil {
return "", errors.Wrap(err, "")
}
ps.Title = src.Name()
ps.Data = util.ValueMap{sourceKey: src, "schema": sch}
page := &vsource.ModelDetail{Source: src, Schema: sch, Model: m}
return controller.Render(rc, as, page, ps, "sources", src.Key)
})
}
func SourceModelSave(rc *fasthttp.RequestCtx) {
controller.Act("source.model.save", rc, func(as *app.State, ps *cutil.PageState) (string, error) {
src, _, m, err := loadSourceModel(rc, as, ps.Logger)
if err != nil {
return "", err
}
frm, err := cutil.ParseForm(rc)
if err != nil {
return "", errors.Wrap(err, "unable to parse form")
}
m, overrides, err := applyOverrides(frm, m)
if err != nil {
return "", errors.Wrap(err, "unable to process overrides")
}
if len(overrides) > 0 {
curr, err := as.Services.Sources.GetOverrides(src.Key)
if err != nil {
return "", errors.Wrap(err, "unable to load current overrides")
}
final := append(schema.Overrides{}, curr.Purge(m.Path())...)
final = append(final, overrides...)
err = as.Services.Sources.SaveOverrides(src.Key, final)
if err != nil {
return "", errors.Wrapf(err, "unable to save [%d] overrides", len(curr))
}
}
msg := fmt.Sprintf("saved model [%s] with [%d] overrides", m.Name(), len(overrides))
return controller.FlashAndRedir(true, msg, fmt.Sprintf("/source/%s", src.Key), rc, ps)
})
}
func applyOverrides(frm util.ValueMap, m *model.Model) (*model.Model, schema.Overrides, error) {
var ret schema.Overrides
for k, v := range frm {
s, ok := v.(string)
if !ok {
return nil, nil, errors.Errorf("value is of type [%T], expected [string]", v)
}
switch {
case k == schema.KeyTitle:
if s == util.StringToSingular(util.StringToTitle(m.Key)) {
m.Title = ""
} else {
ret = append(ret, schema.NewOverride("model", m.Path(), schema.KeyTitle, v))
m.Title = s
}
case k == schema.KeyPlural:
if s == util.StringToPlural(util.StringToTitle(m.Key)) {
m.Plural = ""
} else {
ret = append(ret, schema.NewOverride("model", m.Path(), schema.KeyPlural, v))
m.Plural = s
}
case strings.HasPrefix(k, "f."):
fs, prop := util.StringSplitLast(k, '.', true)
fs = strings.TrimPrefix(fs, "f.")
_, f := m.Fields.Get(fs)
if f == nil {
return nil, nil, errors.Errorf("no field found matching [%s]", fs)
}
switch prop {
case schema.KeyTitle:
if s == util.StringToSingular(util.StringToTitle(f.Key)) {
f.Title = ""
} else {
ret = append(ret, schema.NewOverride("field", append(m.Path(), f.Key), schema.KeyTitle, v))
f.Title = s
}
case schema.KeyPlural:
if s == util.StringToPlural(util.StringToTitle(f.Key)) {
f.Plural = ""
} else {
ret = append(ret, schema.NewOverride("field", append(m.Path(), f.Key), schema.KeyPlural, v))
f.Plural = s
}
default:
return nil, nil, errors.Errorf("unhandled override field value [%s]", prop)
}
default:
return nil, nil, errors.Errorf("unhandled override value [%s]", k)
}
}
return m, ret, nil
}
func loadSourceModel(rc *fasthttp.RequestCtx, as *app.State, logger util.Logger) (*source.Source, *schema.Schema, *model.Model, error) {
key, err := cutil.RCRequiredString(rc, "key", false)
if err != nil {
return nil, nil, nil, err
}
src, err := as.Services.Sources.Load(key, false, logger)
if err != nil {
return nil, nil, nil, errors.Wrapf(err, "unable to load source [%s]", key)
}
sch, err := as.Services.Sources.LoadSchema(key)
if err != nil {
return nil, nil, nil, errors.Wrapf(err, "unable to load schema for source [%s]", key)
}
path, err := cutil.RCRequiredString(rc, "path", false)
if err != nil {
return nil, nil, nil, err
}
pkg := util.Pkg(util.StringSplitAndTrim(path, "/"))
m := sch.Models.Get(pkg.Drop(1), pkg.Last())
if m == nil {
return nil, nil, nil, errors.Errorf("no model found at path [%s]", pkg.ToPath())
}
return src, sch, m, nil
}