dwi.json

{
      "id": "luna_habit_diffusion",
      "template": "diffusion_file",
      "where": {
        "container_type": "file",
        "parent_container_type": "acquisition",
        "$or": [
          {
            "file.type": {
              "$in": [
                "source code",
                "JSON",
                "bvec",
                "bval",
                "BVEC",
                "BVAL"
              ]
            }
          },
          {
            "file.type": {
              "$in": [
                "nifti",
                "NIfTI"
              ]
            },
            "$or": [
              {
                "file.info.ImageType": {
                  "$in": [
                    "ORIGINAL"
                  ]
                }
              },
              {
                "file.info.header.dicom.ImageType": {
                  "$in": [
                    "ORIGINAL"
                  ]
                }
              }
            ]
          }
        ],
        "file.classification.Measurement": {
          "$in": [
            "Diffusion"
          ]
        },
        "file.classification.Intent": {
          "$in": [
            "Structural"
          ]
        },
        "acquisition.label": {
          "$regex": "dMRI_dir[0-9]+"
        }
      },
      "initialize": {
        "Acq": {
          "acquisition.label": {
            "$regex": "_dir(?P<value>[0-9]+)"
          }
        },
        "Dir": {
          "acquisition.label": {
            "$regex": "dMRI_dir99.*(?P<value>AP|PA)"
          }
        },
        "Run": {
          "$run_counter": {
            "key": "dwi.{file.info.BIDS.Suffix}.{file.type}"
          }
        },
        "Part": {
          "acquisition.label": {
            "$regex": "(^|_)part-(?P<value>.*?)(_(acq|ce|dir|echo|mod|proc|part|rec|recording|run|task)-|$|_)"
          }
        },
        "Suffix": {
          "$switch": {
            "$on": "acquisition.label",
            "$cases": [
              {
                "$regex": ".*_SBRef$|.*_sbref$",
                "$value": "sbref"
              },
              {
                "$default": true,
                "$value": "dwi"
              }
            ]
          }
        }
      }
    }