views.coffee

#globals emit

teiAligner = require "./tei/aligner"

exportObject = (name, obj, funcNames) ->
  "var #{name} = {\n" +
    ("\"#{f}\":" + obj[f] for f in funcNames).join(",\n") +
    "\n};\n"

module.exports = [
  name: "documents"
  views:
    metadata:
      map: "" + (doc) ->
        if doc.metadata
          emit doc._id, doc.metadata
    alignments:
      map: "function(doc) {\n" +
        exportObject("aligner", teiAligner,
          ["extractSegments","mergeSegments"]) +
        "(" +
        ((doc) ->
          segs = {}
          for lang, d of doc.docs
            segs[lang] = aligner.extractSegments d
          segments = aligner.mergeSegments segs
          for seg in segments
            emit [doc._id, seg.index], seg
        ) +
        ").call(this, doc);" +
        "\n}"
]
# vim: ts=2:sw=2:et: