(ld blobserver.Loader, confOrString interface{})
| 108 | } |
| 109 | |
| 110 | func buildStorageForReceive(ld blobserver.Loader, confOrString interface{}) (storageFunc, error) { |
| 111 | // Static configuration from a string |
| 112 | if s, ok := confOrString.(string); ok { |
| 113 | sto, err := ld.GetStorage(s) |
| 114 | if err != nil { |
| 115 | return nil, err |
| 116 | } |
| 117 | f := func(br blob.Ref, src io.Reader) (blobserver.Storage, io.Reader, error) { |
| 118 | return sto, src, nil |
| 119 | } |
| 120 | return f, nil |
| 121 | } |
| 122 | |
| 123 | conf := jsonconfig.Obj(confOrString.(map[string]interface{})) |
| 124 | |
| 125 | ifStr := conf.RequiredString("if") |
| 126 | // TODO: let 'then' and 'else' point to not just strings but either |
| 127 | // a string or a JSON object with another condition, and then |
| 128 | // call buildStorageForReceive on it recursively |
| 129 | thenTarget := conf.RequiredString("then") |
| 130 | elseTarget := conf.RequiredString("else") |
| 131 | if err := conf.Validate(); err != nil { |
| 132 | return nil, err |
| 133 | } |
| 134 | thenSto, err := ld.GetStorage(thenTarget) |
| 135 | if err != nil { |
| 136 | return nil, err |
| 137 | } |
| 138 | elseSto, err := ld.GetStorage(elseTarget) |
| 139 | if err != nil { |
| 140 | return nil, err |
| 141 | } |
| 142 | |
| 143 | switch ifStr { |
| 144 | case "isSchema": |
| 145 | return isSchemaPicker(thenSto, elseSto), nil |
| 146 | } |
| 147 | return nil, fmt.Errorf("cond: unsupported 'if' type of %q", ifStr) |
| 148 | } |
| 149 | |
| 150 | func isSchemaPicker(thenSto, elseSto blobserver.Storage) storageFunc { |
| 151 | return func(br blob.Ref, src io.Reader) (dest blobserver.Storage, newSrc io.Reader, err error) { |
no test coverage detected