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WIP: Add activity to merge AIS metadata files
Fixes #77.
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,119 @@ | ||
package ais | ||
|
||
import ( | ||
"context" | ||
"fmt" | ||
"io" | ||
"os" | ||
"path/filepath" | ||
"strings" | ||
|
||
"github.com/antchfx/xmlquery" | ||
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"github.com/artefactual-sdps/preprocessing-sfa/internal/fsutil" | ||
) | ||
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const CombineMDActivityName = "combine-metadata-files" | ||
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type ( | ||
CombineMDActivity struct{} | ||
CombineMDActivityParams struct { | ||
AreldaRelPath string | ||
METSRelPath string | ||
WorkingDir string | ||
} | ||
CombineMDActivityResult struct { | ||
Path string | ||
} | ||
) | ||
|
||
func NewCombineMDActivity() *CombineMDActivity { | ||
return &CombineMDActivity{} | ||
} | ||
|
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func (a *CombineMDActivity) Execute( | ||
ctx context.Context, | ||
params CombineMDActivityParams, | ||
) (*CombineMDActivityResult, error) { | ||
areldaPath := filepath.Join(params.WorkingDir, params.AreldaRelPath) | ||
if !fsutil.FileExists(areldaPath) { | ||
return nil, fmt.Errorf("missing Arelda file: %s", areldaPath) | ||
} | ||
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metsPath := filepath.Join(params.WorkingDir, params.METSRelPath) | ||
if !fsutil.FileExists(metsPath) { | ||
return nil, fmt.Errorf("missing METS file: %s", metsPath) | ||
} | ||
|
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aisName, err := aisFilename(areldaPath) | ||
if err != nil { | ||
return nil, fmt.Errorf("name AIS file: %v", err) | ||
} | ||
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dest := filepath.Join(params.WorkingDir, aisName) | ||
w, err := os.Create(dest) // #nosec G304 -- generated path. | ||
if err != nil { | ||
return nil, fmt.Errorf("create AIS file: %v", err) | ||
} | ||
defer w.Close() | ||
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if err = concat( | ||
w, | ||
filepath.Join(params.WorkingDir, params.AreldaRelPath), | ||
filepath.Join(params.WorkingDir, params.METSRelPath), | ||
); err != nil { | ||
return nil, fmt.Errorf("concat: %v", err) | ||
} | ||
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return &CombineMDActivityResult{Path: dest}, nil | ||
} | ||
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func aisFilename(mdpath string) (string, error) { | ||
id, err := parseAccessionID(mdpath) | ||
if err != nil { | ||
return "", fmt.Errorf("get accession number: %v", err) | ||
} | ||
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id = strings.ReplaceAll(id, "/", "_") | ||
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return fmt.Sprintf("AIS_%s", id), nil | ||
} | ||
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func parseAccessionID(path string) (string, error) { | ||
f, err := os.Open(path) // #nosec G304 -- trusted path. | ||
if err != nil { | ||
return "", fmt.Errorf("open metadata file: %v", err) | ||
} | ||
defer f.Close() | ||
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sp, err := xmlquery.CreateStreamParser(f, "//paket/ablieferung/ablieferungsnummer") | ||
if err != nil { | ||
return "", fmt.Errorf("create XML parser: %v", err) | ||
} | ||
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n, err := sp.Read() | ||
if err == io.EOF { | ||
return "", fmt.Errorf("can't find ablieferungsnummer in %q", filepath.Base(path)) | ||
} | ||
if err != nil { | ||
return "", fmt.Errorf("read XML stream: %v", err) | ||
} | ||
return n.InnerText(), nil | ||
} | ||
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func concat(w io.Writer, files ...string) error { | ||
for i := range files { | ||
r, err := os.Open(files[i]) // #nosec G304 -- trusted path. | ||
if err != nil { | ||
return fmt.Errorf("read: %v", err) | ||
} | ||
defer r.Close() | ||
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if _, err := io.Copy(w, r); err != nil { | ||
return fmt.Errorf("copy: %v", err) | ||
} | ||
_ = r.Close() | ||
} | ||
|
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return nil | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,123 @@ | ||
package ais_test | ||
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import ( | ||
"strings" | ||
"testing" | ||
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temporalsdk_activity "go.temporal.io/sdk/activity" | ||
temporalsdk_testsuite "go.temporal.io/sdk/testsuite" | ||
"gotest.tools/v3/assert" | ||
"gotest.tools/v3/fs" | ||
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"github.com/artefactual-sdps/preprocessing-sfa/internal/ais" | ||
) | ||
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const ( | ||
mets = `<?xml version='1.0' encoding='UTF-8'?> | ||
<mets:mets xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mets="http://www.loc.gov/METS/" xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/version1121/mets.xsd"> | ||
</mets:mets> | ||
` | ||
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arelda = `<?xml version="1.0" encoding="UTF-8"?> | ||
<paket xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
xmlns:xip="http://www.tessella.com/XIP/v4" | ||
xmlns="http://bar.admin.ch/arelda/v4" | ||
xmlns:xs="http://www.w3.org/2001/XMLSchema" | ||
xmlns:submissionTests="http://bar.admin.ch/submissionTestResult" | ||
xsi:type="paketAIP" | ||
schemaVersion="5.0"> | ||
<ablieferung xsi:type="ablieferungFilesAIP"> | ||
<ablieferungstyp>FILES</ablieferungstyp> | ||
<ablieferndeStelle>Bundesverwaltung (Bern)</ablieferndeStelle> | ||
<ablieferungsnummer>1000/893_3251903</ablieferungsnummer> | ||
</ablieferung> | ||
</packet> | ||
` | ||
) | ||
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func testDir(t *testing.T) string { | ||
td := fs.NewDir(t, "ppsfa", | ||
fs.WithFile("arelda.xml", arelda), | ||
fs.WithFile("mets.xml", mets), | ||
) | ||
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return td.Path() | ||
} | ||
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func TestExecute(t *testing.T) { | ||
t.Parallel() | ||
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tests := []struct { | ||
name string | ||
params ais.CombineMDActivityParams | ||
want ais.CombineMDActivityResult | ||
wantErr string | ||
}{ | ||
{ | ||
name: "Returns the combined metadata", | ||
params: ais.CombineMDActivityParams{ | ||
AreldaRelPath: "arelda.xml", | ||
METSRelPath: "mets.xml", | ||
WorkingDir: testDir(t), | ||
}, | ||
want: ais.CombineMDActivityResult{Path: "{{wd}}/AIS_1000_893_3251903"}, | ||
}, | ||
{ | ||
name: "Errors if the Arelda file doesn't exist", | ||
params: ais.CombineMDActivityParams{ | ||
AreldaRelPath: "missing.xml", | ||
WorkingDir: testDir(t), | ||
}, | ||
wantErr: "activity error (type: combine-metadata-files, scheduledEventID: 0, startedEventID: 0, identity: ): missing Arelda file: {{wd}}/missing.xml", | ||
}, | ||
{ | ||
name: "Errors if the METS file doesn't exist", | ||
params: ais.CombineMDActivityParams{ | ||
AreldaRelPath: "arelda.xml", | ||
METSRelPath: "missing.xml", | ||
WorkingDir: testDir(t), | ||
}, | ||
wantErr: "activity error (type: combine-metadata-files, scheduledEventID: 0, startedEventID: 0, identity: ): missing METS file: {{wd}}/missing.xml", | ||
}, | ||
{ | ||
name: "Errors when the Arelda file is invalid", | ||
params: ais.CombineMDActivityParams{ | ||
AreldaRelPath: "mets.xml", | ||
WorkingDir: testDir(t), | ||
}, | ||
wantErr: "activity error (type: combine-metadata-files, scheduledEventID: 0, startedEventID: 0, identity: ): name AIS file: get accession number: can't find ablieferungsnummer in \"mets.xml\"", | ||
}, | ||
} | ||
for _, tt := range tests { | ||
t.Run(tt.name, func(t *testing.T) { | ||
t.Parallel() | ||
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ts := &temporalsdk_testsuite.WorkflowTestSuite{} | ||
env := ts.NewTestActivityEnvironment() | ||
env.RegisterActivityWithOptions( | ||
ais.NewCombineMDActivity().Execute, | ||
temporalsdk_activity.RegisterOptions{Name: ais.CombineMDActivityName}, | ||
) | ||
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tt.want.Path = strings.ReplaceAll(tt.want.Path, "{{wd}}", tt.params.WorkingDir) | ||
tt.wantErr = strings.ReplaceAll(tt.wantErr, "{{wd}}", tt.params.WorkingDir) | ||
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future, err := env.ExecuteActivity(ais.CombineMDActivityName, tt.params) | ||
if tt.wantErr != "" { | ||
if err == nil { | ||
t.Errorf("error is nil, expecting: %q", tt.wantErr) | ||
} else { | ||
assert.ErrorContains(t, err, tt.wantErr) | ||
} | ||
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return | ||
} | ||
assert.NilError(t, err) | ||
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var got ais.CombineMDActivityResult | ||
future.Get(&got) | ||
assert.DeepEqual(t, got, tt.want) | ||
}) | ||
} | ||
} |
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748 changes: 748 additions & 0 deletions
748
internal/testdata/little-Test-AIP-Digitization/AIS_1000_893_3251903
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