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added abstracted functions for download

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This commit is contained in:
Akilan Selvacoumar
2022-12-10 06:29:50 +00:00
parent 5b503df4a5
commit fc7f159936
16 changed files with 590 additions and 520 deletions
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40
webapi/File.go
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@@ -29,18 +29,18 @@ type ApiFileMetadata struct {
Number uint64 `json:"number"` // Number
}
// ApiFile is the metadata of a file published on the blockchain
// ApiFile is the metadata of a File published on the blockchain
type ApiFile struct {
ID uuid.UUID `json:"ID"` // Unique ID.
Hash []byte `json:"hash"` // Blake3 hash of the file data
Hash []byte `json:"Hash"` // Blake3 Hash of the File data
Type uint8 `json:"type"` // File Type. For example audio or document. See TypeX.
Format uint16 `json:"format"` // File Format. This is more granular, for example PDF or Word file. See FormatX.
Size uint64 `json:"size"` // Size of the file
Format uint16 `json:"format"` // File Format. This is more granular, for example PDF or Word File. See FormatX.
Size uint64 `json:"size"` // Size of the File
Folder string `json:"folder"` // Folder, optional
Name string `json:"name"` // Name of the file
Name string `json:"name"` // Name of the File
Description string `json:"description"` // Description. This is expected to be multiline and contain hashtags!
Date time.Time `json:"date"` // Date shared
NodeID []byte `json:"nodeid"` // Node ID, owner of the file. Read only.
NodeID []byte `json:"nodeid"` // Node ID, owner of the File. Read only.
Metadata []ApiFileMetadata `json:"metadata"` // Additional metadata.
}
@@ -118,17 +118,17 @@ func BlockRecordFileFromAPI(input ApiFile) (output blockchain.BlockRecordFile) {
// ApiBlockAddFiles contains a list of files from the blockchain
type ApiBlockAddFiles struct {
Files []ApiFile `json:"files"` // List of files
Status int `json:"status"` // Status of the operation, only used when this structure is returned from the API.
Status int `json:"Status"` // Status of the operation, only used when this structure is returned from the API.
}
/*
apiBlockchainFileAdd adds a file with the provided information to the blockchain.
Each file must be already stored in the Warehouse (virtual folders are exempt).
If any file is not stored in the Warehouse, the function aborts with the status code StatusNotInWarehouse.
If the block record encoding fails for any file, this function aborts with the status code StatusCorruptBlockRecord.
apiBlockchainFileAdd adds a File with the provided information to the blockchain.
Each File must be already stored in the Warehouse (virtual folders are exempt).
If any File is not stored in the Warehouse, the function aborts with the Status code StatusNotInWarehouse.
If the block record encoding fails for any File, this function aborts with the Status code StatusCorruptBlockRecord.
In case the function aborts, the blockchain remains unchanged.
Request: POST /blockchain/file/add with JSON structure ApiBlockAddFiles
Request: POST /blockchain/File/add with JSON structure ApiBlockAddFiles
Response: 200 with JSON structure apiBlockchainBlockStatus
400 if invalid input
*/
@@ -149,7 +149,7 @@ func (api *WebapiInstance) apiBlockchainFileAdd(w http.ResponseWriter, r *http.R
file.ID = uuid.New()
}
// Verify that the file exists in the warehouse. Folders are exempt from this check as they are only virtual.
// Verify that the File exists in the warehouse. Folders are exempt from this check as they are only virtual.
if !file.IsVirtualFolder() {
if _, err := warehouse.ValidateHash(file.Hash); err != nil {
http.Error(w, "", http.StatusBadRequest)
@@ -184,7 +184,7 @@ func (api *WebapiInstance) apiBlockchainFileAdd(w http.ResponseWriter, r *http.R
/*
apiBlockchainFileList lists all files stored on the blockchain.
Request: GET /blockchain/file/list
Request: GET /blockchain/File/list
Response: 200 with JSON structure ApiBlockAddFiles
*/
func (api *WebapiInstance) apiBlockchainFileList(w http.ResponseWriter, r *http.Request) {
@@ -203,9 +203,9 @@ func (api *WebapiInstance) apiBlockchainFileList(w http.ResponseWriter, r *http.
/*
apiBlockchainFileDelete deletes files with the provided IDs. Other fields are ignored.
It will automatically delete the file in the Warehouse if there are no other references.
It will automatically delete the File in the Warehouse if there are no other references.
Request: POST /blockchain/file/delete with JSON structure ApiBlockAddFiles
Request: POST /blockchain/File/delete with JSON structure ApiBlockAddFiles
Response: 200 with JSON structure apiBlockchainBlockStatus
*/
func (api *WebapiInstance) apiBlockchainFileDelete(w http.ResponseWriter, r *http.Request) {
@@ -237,7 +237,7 @@ func (api *WebapiInstance) apiBlockchainFileDelete(w http.ResponseWriter, r *htt
/*
apiBlockchainSelfUpdateFile updates files that are already published on the blockchain.
Request: POST /blockchain/file/update with JSON structure ApiBlockAddFiles
Request: POST /blockchain/File/update with JSON structure ApiBlockAddFiles
Response: 200 with JSON structure apiBlockchainBlockStatus
400 if invalid input
*/
@@ -258,7 +258,7 @@ func (api *WebapiInstance) apiBlockchainFileUpdate(w http.ResponseWriter, r *htt
return
}
// Verify that the file exists in the warehouse. Folders are exempt from this check as they are only virtual.
// Verify that the File exists in the warehouse. Folders are exempt from this check as they are only virtual.
if !file.IsVirtualFolder() {
if _, err := warehouse.ValidateHash(file.Hash); err != nil {
http.Error(w, "", http.StatusBadRequest)
@@ -312,7 +312,7 @@ func (info *ApiFileMetadata) GetNumber() uint64 {
return info.Number
}
// IsVirtualFolder returns true if the file is a virtual folder
// IsVirtualFolder returns true if the File is a virtual folder
func (file *ApiFile) IsVirtualFolder() bool {
return file.Type == core.TypeFolder && file.Format == core.FormatFolder
}
@@ -324,7 +324,7 @@ func SetFileMerkleInfo(backend *core.Backend, file *blockchain.BlockRecordFile)
file.MerkleRootHash = file.Hash
file.FragmentSize = merkle.MinimumFragmentSize
} else {
// Get the information from the Warehouse .merkle companion file.
// Get the information from the Warehouse .merkle companion File.
tree, status, _ := backend.UserWarehouse.ReadMerkleTree(file.Hash, true)
if status != warehouse.StatusOK {
return false