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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /* | ||
| Copyright 2023 NanaFS Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package docloader | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/csv" | ||
| "errors" | ||
| "fmt" | ||
| "github.com/basenana/nanafs/pkg/types" | ||
| "io" | ||
| "os" | ||
| "strings" | ||
| ) | ||
|
|
||
| const ( | ||
| csvLoader = "csv" | ||
| ) | ||
|
|
||
| type CSV struct { | ||
| docPath string | ||
| } | ||
|
|
||
| func NewCSV(docPath string, option map[string]string) CSV { | ||
| return CSV{docPath: docPath} | ||
| } | ||
|
|
||
| func (c CSV) Load(_ context.Context) (result []types.FDocument, err error) { | ||
| f, err := os.Open(c.docPath) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer f.Close() | ||
|
|
||
| var header []string | ||
| var rown int | ||
|
|
||
| rd := csv.NewReader(f) | ||
| for { | ||
| row, err := rd.Read() | ||
| if errors.Is(err, io.EOF) { | ||
| break | ||
| } | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if len(header) == 0 { | ||
| header = append(header, row...) | ||
| continue | ||
| } | ||
|
|
||
| var content []string | ||
| for i, value := range row { | ||
| line := fmt.Sprintf("%s: %s", header[i], value) | ||
| content = append(content, line) | ||
| } | ||
|
|
||
| rown++ | ||
| result = append(result, types.FDocument{ | ||
| Content: strings.Join(content, "\n"), | ||
| Metadata: map[string]any{"type": csvLoader, "row": rown}, | ||
| }) | ||
| } | ||
|
|
||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /* | ||
| Copyright 2023 NanaFS Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package docloader | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "github.com/basenana/nanafs/pkg/plugin/pluginapi" | ||
| "github.com/basenana/nanafs/pkg/types" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
|
|
||
| const ( | ||
| PluginName = "docloader" | ||
| PluginVersion = "1.0" | ||
| ) | ||
|
|
||
| type DocLoader struct{} | ||
|
|
||
| func (d DocLoader) Name() string { | ||
| return PluginName | ||
| } | ||
|
|
||
| func (d DocLoader) Type() types.PluginType { | ||
| return types.TypeProcess | ||
| } | ||
|
|
||
| func (d DocLoader) Version() string { | ||
| return PluginVersion | ||
| } | ||
|
|
||
| func (d DocLoader) Run(ctx context.Context, request *pluginapi.Request, pluginParams map[string]string) (*pluginapi.Response, error) { | ||
| entryPath := request.Parameter[pluginapi.ResEntryPathKey].(string) | ||
| if entryPath == "" { | ||
| resp := pluginapi.NewFailedResponse("entry_path is empty") | ||
| return resp, nil | ||
| } | ||
|
|
||
| _, err := os.Stat(entryPath) | ||
| if err != nil { | ||
| resp := pluginapi.NewFailedResponse(fmt.Sprintf("stat entry file %s failed: %s", entryPath, err)) | ||
| return resp, nil | ||
| } | ||
|
|
||
| fileExt := filepath.Ext(entryPath) | ||
| var ( | ||
| p Parser | ||
| parseOption = map[string]string{} | ||
| ) | ||
|
|
||
| switch fileExt { | ||
| case ".pdf": | ||
| p = buildInLoaders[pdfParser](entryPath, parseOption) | ||
| case ".txt": | ||
| p = buildInLoaders[textParser](entryPath, parseOption) | ||
| case ".html", ".htm": | ||
| p = buildInLoaders[htmlParser](entryPath, parseOption) | ||
| case ".webarchive": | ||
| p = buildInLoaders[webArchiveParser](entryPath, parseOption) | ||
| default: | ||
| resp := pluginapi.NewFailedResponse(fmt.Sprintf("load %s file unsupported", fileExt)) | ||
| return resp, nil | ||
| } | ||
|
|
||
| documents, err := p.Load(ctx) | ||
| if err != nil { | ||
| resp := pluginapi.NewFailedResponse(fmt.Sprintf("load file %s failed: %s", entryPath, err)) | ||
| return resp, nil | ||
| } | ||
|
|
||
| return pluginapi.NewResponseWithResult(map[string]any{pluginapi.ResEntryDocumentsKey: documents}), nil | ||
| } | ||
|
|
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| type Parser interface { | ||
| Load(ctx context.Context) (result []types.FDocument, err error) | ||
| } | ||
|
|
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| type parserBuilder func(docPath string, docOption map[string]string) Parser | ||
|
|
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| var ( | ||
| buildInLoaders = map[string]parserBuilder{ | ||
| textParser: NewText, | ||
| pdfParser: NewPDF, | ||
| htmlParser: NewHTML, | ||
| webArchiveParser: NewHTML, | ||
| } | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| /* | ||
| Copyright 2023 NanaFS Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package docloader |
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