add dicomsort back

.gitignore

@@ -135,7 +135,7 @@ tciaDownload*
 sandbox*
 old_src
 resources/*
-dicomsort.py
+olddicomsort.py
 NBIA-toolkit.code-workspace
 docs/data/*
 driver.py

src/nbiatoolkit/dicomsort/dicomsort.py

@@ -0,0 +1,116 @@
+import re, os, sys, shutil
+import pydicom 
+
+from pydicom.filereader import InvalidDicomError
+
+from .helper_functions import parseDICOMKeysFromFormat, sanitizeFileName, truncateUID
+
+
+class DICOMSorter:
+
+    def __init__(
+        self, sourceDir: str, destinationDir: str, targetPattern: str = None,
+        truncateUID: bool = True, sanitizeFilename: bool = True
+        ):
+        """
+        Initialize the DICOMSorter with a target pattern.
+        """
+        self.targetPattern = targetPattern
+        self.sourceDir = sourceDir
+        self.destinationDir = destinationDir
+        self.truncateUID=truncateUID
+        self.sanitizeFilename=sanitizeFilename        
+
+    def generateFilePathFromDICOMAttributes(
+        self, dataset: pydicom.dataset.FileDataset
+        ) -> str:
+        """
+        Generate a file path for the DICOM file by formatting DICOM attributes.
+        """
+        fmt, keys = parseDICOMKeysFromFormat(targetPattern=self.targetPattern)
+        replacements: dict[str, str] = {}
+
+        # Prepare the replacements dictionary with sanitized attribute values
+        for key in keys:
+            # Retrieve the attribute value if it exists or default to a placeholder string
+            value = str(getattr(dataset, key, 'Unknown' + key))
+
+            value = truncateUID(value) if key.endswith("UID") and self.truncateUID else value
+
+            replacements[key] = sanitizeFileName(value) if self.sanitizeFilename else value
+
+        # Build the target path by interpolating the replacement values
+        return fmt % replacements
+
+
+    def sortSingleDICOMFile(
+        self, filePath: str, option: str, overwrite: bool = False
+        ) -> bool:
+        assert option in ["copy", "move"], "Invalid option: symlink not implemented yet"
+
+        try: 
+            dataset = pydicom.dcmread(filePath, stop_before_pixels=True)
+        except InvalidDicomError as e:
+            print(f"Error reading file {filePath}: {e}")
+            return False
+        except TypeError as e:
+            print(f"Error reading file {filePath}: is ``None`` or of an unsupported type.")
+            return False    
+
+        name = self.generateFilePathFromDICOMAttributes(dataset)
+        assert name is not None and isinstance(name, str)
+
+        targetFilename = os.path.join(self.destinationDir, name)
+
+        if os.path.exists(targetFilename) and not overwrite:
+            print(f"Source File: {filePath}\n")
+            print(f"File {targetFilename} already exists. ")
+            sys.exit("Pattern is probably not unique or overwrite is set to False. Exiting.")
+
+        os.makedirs(os.path.dirname(targetFilename), exist_ok=True)
+
+        match option:
+            case "copy":
+                shutil.copyfile(src = filePath, dst=targetFilename)
+            case "move":
+                shutil.move(src = filePath, dst=targetFilename)
+
+        return True
+
+
+    def sortDICOMFiles(self, option: str = "copy", overwrite: bool = False) -> bool:    
+
+        all_files = []
+        # Iterate over all files in the source directory
+        for root, dirs, files in os.walk(self.sourceDir):
+            for file in files:
+                all_files.append(os.path.join(root, file)) if file.endswith(".dcm") else None
+
+        results = [self.sortSingleDICOMFile(file, option, overwrite) for file in all_files]
+
+        return all(results)
+
+
+# Test case
+if __name__ == "__main__":
+
+    # Create an instance of DICOMSorter with the desired target pattern
+    sourceDir="/home/bioinf/bhklab/jermiah/projects/NBIA-toolkit/resources/rawdata/RADCURE-0281"
+    pattern = '%PatientName/%StudyDescription-%StudyDate/%SeriesNumber-%SeriesDescription-%SeriesInstanceUID/%InstanceNumber.dcm'
+    destinationDir="/home/bioinf/bhklab/jermiah/projects/NBIA-toolkit/resources/procdata"
+
+    sorter = DICOMSorter(
+        sourceDir = sourceDir,
+        destinationDir=destinationDir,
+        targetPattern=pattern,
+        truncateUID=True,
+        sanitizeFilename=True,
+        overwrite=True
+        )
+
+    sorter.sortDICOMFiles(option="move")    
+
+
+
+
+