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added abstraction to search for a file

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This commit is contained in:
Akilan Selvacoumar
2022-12-09 18:26:22 +00:00
parent ec098705e6
commit 5b503df4a5
14 changed files with 1625 additions and 1526 deletions
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38
webapi/File.go
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@@ -31,7 +31,7 @@ type ApiFileMetadata struct {
// ApiFile is the metadata of a file published on the blockchain
type ApiFile struct {
ID uuid.UUID `json:"id"` // Unique ID.
ID uuid.UUID `json:"ID"` // Unique ID.
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.
@@ -154,8 +154,8 @@ func (api *WebapiInstance) apiBlockchainFileAdd(w http.ResponseWriter, r *http.R
if _, err := warehouse.ValidateHash(file.Hash); err != nil {
http.Error(w, "", http.StatusBadRequest)
return
} else if _, fileSize, status, _ := api.backend.UserWarehouse.FileExists(file.Hash); status != warehouse.StatusOK {
EncodeJSON(api.backend, w, r, apiBlockchainBlockStatus{Status: blockchain.StatusNotInWarehouse})
} else if _, fileSize, status, _ := api.Backend.UserWarehouse.FileExists(file.Hash); status != warehouse.StatusOK {
EncodeJSON(api.Backend, w, r, apiBlockchainBlockStatus{Status: blockchain.StatusNotInWarehouse})
return
} else {
file.Size = fileSize
@@ -168,17 +168,17 @@ func (api *WebapiInstance) apiBlockchainFileAdd(w http.ResponseWriter, r *http.R
blockRecord := BlockRecordFileFromAPI(file)
// Set the merkle tree info as appropriate.
if !SetFileMerkleInfo(api.backend, &blockRecord) {
EncodeJSON(api.backend, w, r, apiBlockchainBlockStatus{Status: blockchain.StatusNotInWarehouse})
if !SetFileMerkleInfo(api.Backend, &blockRecord) {
EncodeJSON(api.Backend, w, r, apiBlockchainBlockStatus{Status: blockchain.StatusNotInWarehouse})
return
}
filesAdd = append(filesAdd, blockRecord)
}
newHeight, newVersion, status := api.backend.UserBlockchain.AddFiles(filesAdd)
newHeight, newVersion, status := api.Backend.UserBlockchain.AddFiles(filesAdd)
EncodeJSON(api.backend, w, r, apiBlockchainBlockStatus{Status: status, Height: newHeight, Version: newVersion})
EncodeJSON(api.Backend, w, r, apiBlockchainBlockStatus{Status: status, Height: newHeight, Version: newVersion})
}
/*
@@ -188,7 +188,7 @@ Request: GET /blockchain/file/list
Response: 200 with JSON structure ApiBlockAddFiles
*/
func (api *WebapiInstance) apiBlockchainFileList(w http.ResponseWriter, r *http.Request) {
files, status := api.backend.UserBlockchain.ListFiles()
files, status := api.Backend.UserBlockchain.ListFiles()
var result ApiBlockAddFiles
@@ -198,7 +198,7 @@ func (api *WebapiInstance) apiBlockchainFileList(w http.ResponseWriter, r *http.
result.Status = status
EncodeJSON(api.backend, w, r, result)
EncodeJSON(api.Backend, w, r, result)
}
/*
@@ -220,18 +220,18 @@ func (api *WebapiInstance) apiBlockchainFileDelete(w http.ResponseWriter, r *htt
deleteIDs = append(deleteIDs, input.Files[n].ID)
}
newHeight, newVersion, deletedFiles, status := api.backend.UserBlockchain.DeleteFiles(deleteIDs)
newHeight, newVersion, deletedFiles, status := api.Backend.UserBlockchain.DeleteFiles(deleteIDs)
// If successfully deleted from the blockchain, delete from the Warehouse in case there are no other references.
if status == blockchain.StatusOK {
for n := range deletedFiles {
if files, status := api.backend.UserBlockchain.FileExists(deletedFiles[n].Hash); status == blockchain.StatusOK && len(files) == 0 {
api.backend.UserWarehouse.DeleteFile(deletedFiles[n].Hash)
if files, status := api.Backend.UserBlockchain.FileExists(deletedFiles[n].Hash); status == blockchain.StatusOK && len(files) == 0 {
api.Backend.UserWarehouse.DeleteFile(deletedFiles[n].Hash)
}
}
}
EncodeJSON(api.backend, w, r, apiBlockchainBlockStatus{Status: status, Height: newHeight, Version: newVersion})
EncodeJSON(api.Backend, w, r, apiBlockchainBlockStatus{Status: status, Height: newHeight, Version: newVersion})
}
/*
@@ -263,8 +263,8 @@ func (api *WebapiInstance) apiBlockchainFileUpdate(w http.ResponseWriter, r *htt
if _, err := warehouse.ValidateHash(file.Hash); err != nil {
http.Error(w, "", http.StatusBadRequest)
return
} else if _, fileSize, status, _ := api.backend.UserWarehouse.FileExists(file.Hash); status != warehouse.StatusOK {
EncodeJSON(api.backend, w, r, apiBlockchainBlockStatus{Status: blockchain.StatusNotInWarehouse})
} else if _, fileSize, status, _ := api.Backend.UserWarehouse.FileExists(file.Hash); status != warehouse.StatusOK {
EncodeJSON(api.Backend, w, r, apiBlockchainBlockStatus{Status: blockchain.StatusNotInWarehouse})
return
} else {
file.Size = fileSize
@@ -277,17 +277,17 @@ func (api *WebapiInstance) apiBlockchainFileUpdate(w http.ResponseWriter, r *htt
blockRecord := BlockRecordFileFromAPI(file)
// Set the merkle tree info as appropriate.
if !SetFileMerkleInfo(api.backend, &blockRecord) {
EncodeJSON(api.backend, w, r, apiBlockchainBlockStatus{Status: blockchain.StatusNotInWarehouse})
if !SetFileMerkleInfo(api.Backend, &blockRecord) {
EncodeJSON(api.Backend, w, r, apiBlockchainBlockStatus{Status: blockchain.StatusNotInWarehouse})
return
}
filesAdd = append(filesAdd, blockRecord)
}
newHeight, newVersion, status := api.backend.UserBlockchain.ReplaceFiles(filesAdd)
newHeight, newVersion, status := api.Backend.UserBlockchain.ReplaceFiles(filesAdd)
EncodeJSON(api.backend, w, r, apiBlockchainBlockStatus{Status: status, Height: newHeight, Version: newVersion})
EncodeJSON(api.Backend, w, r, apiBlockchainBlockStatus{Status: status, Height: newHeight, Version: newVersion})
}
// ---- metadata functions ----