PhoneGap-SQLitePlugin-Android/Android/assets/www/SQLitePlugin-orig.coffee

do ->
  root = @

  SQLitePlugin = (dbPath, openSuccess, openError) ->
    console.log "SQLitePlugin"
    @dbPath = dbPath
    @openSuccess = openSuccess
    @openError = openError
    throw new Error("Cannot create a SQLitePlugin instance without a dbPath")  unless dbPath
    @openSuccess or (@openSuccess = ->
      console.log "DB opened: " + dbPath
    )
    @openError or (@openError = (e) ->
      console.log e.message
    )
    @open @openSuccess, @openError
    return


  SQLitePlugin::openDBs = {}
  SQLitePlugin::transaction = (fn, error, success) ->
    t = new SQLitePluginTransaction(@dbPath)
    fn t
    t.complete success, error

  SQLitePlugin::open = (success, error) ->
    console.log "SQLitePlugin.prototype.open"
    opts = undefined
    unless @dbPath of @openDBs
      @openDBs[@dbPath] = true
      PhoneGap.exec success, error, "SQLitePlugin", "open", [ @dbPath ]

  SQLitePlugin::close = (success, error) ->
    console.log "SQLitePlugin.prototype.close"
    opts = undefined
    if @dbPath of @openDBs
      delete @openDBs[@dbPath]

      PhoneGap.exec null, null, "SQLitePlugin", "close", [ @dbPath ]

  get_unique_id = ->
    id = new Date().getTime()
    id2 = new Date().getTime()
    id2 = new Date().getTime()  while id is id2
    id2 + "000"

  transaction_queue = []
  transaction_callback_queue = {}

  SQLitePluginTransaction = (dbPath) ->
    @dbPath = dbPath
    @executes = []
    @trans_id = get_unique_id()
    @__completed = false
    @__submitted = false
    # this.optimization_no_nested_callbacks: default is true.
    # if set to true large batches of queries within a transaction will be much faster but 
    # you will lose the ability to do multi level nesting of executeSQL callbacks
    @optimization_no_nested_callbacks = true
    console.log "SQLitePluginTransaction - this.trans_id:" + @trans_id
    transaction_queue[@trans_id] = []
    transaction_callback_queue[@trans_id] = new Object()
    return

  SQLitePluginTransaction.queryCompleteCallback = (transId, queryId, result) ->
    console.log "SQLitePluginTransaction.queryCompleteCallback"
    query = null
    for x of transaction_queue[transId]
      if transaction_queue[transId][x]["query_id"] is queryId
        query = transaction_queue[transId][x]
        if transaction_queue[transId].length is 1
          transaction_queue[transId] = []
        else
          transaction_queue[transId].splice x, 1
        break
    query["callback"] result  if query and query["callback"]

  SQLitePluginTransaction.queryErrorCallback = (transId, queryId, result) ->
    query = null
    for x of transaction_queue[transId]
      if transaction_queue[transId][x]["query_id"] is queryId
        query = transaction_queue[transId][x]
        if transaction_queue[transId].length is 1
          transaction_queue[transId] = []
        else
          transaction_queue[transId].splice x, 1
        break
    query["err_callback"] result  if query and query["err_callback"]

  SQLitePluginTransaction.txCompleteCallback = (transId) ->
    unless typeof transId is "undefined"
      transaction_callback_queue[transId]["success"]()  if transId and transaction_callback_queue[transId] and transaction_callback_queue[transId]["success"]
    else
      console.log "SQLitePluginTransaction.txCompleteCallback---transId = NULL"

  SQLitePluginTransaction.txErrorCallback = (transId, error) ->
    unless typeof transId is "undefined"
      console.log "SQLitePluginTransaction.txErrorCallback---transId:" + transId
      transaction_callback_queue[transId]["error"] error  if transId and transaction_callback_queue[transId]["error"]
      delete transaction_queue[transId]

      delete transaction_callback_queue[transId]
    else
      console.log "SQLitePluginTransaction.txErrorCallback---transId = NULL"

  SQLitePluginTransaction::add_to_transaction = (trans_id, query, params, callback, err_callback) ->
    new_query = new Object()
    new_query["trans_id"] = trans_id
    if callback or not @optimization_no_nested_callbacks
      new_query["query_id"] = get_unique_id()
    else new_query["query_id"] = ""  if @optimization_no_nested_callbacks
    new_query["query"] = query
    if params
      new_query["params"] = params
    else
      new_query["params"] = []
    new_query["callback"] = callback
    new_query["err_callback"] = err_callback
    transaction_queue[trans_id] = []  unless transaction_queue[trans_id]
    transaction_queue[trans_id].push new_query

  SQLitePluginTransaction::executeSql = (sql, values, success, error) ->
    console.log "SQLitePluginTransaction.prototype.executeSql"
    errorcb = undefined
    successcb = undefined
    txself = undefined
    txself = this
    successcb = null
    if success
      console.log "success not null:" + sql
      successcb = (execres) ->
        console.log "executeSql callback:" + JSON.stringify(execres)
        res = undefined
        saveres = undefined
        saveres = execres
        res =
          rows:
            item: (i) ->
              saveres[i]

            length: saveres.length

          rowsAffected: saveres.rowsAffected
          insertId: saveres.insertId or null

        success txself, res
    else
      console.log "success NULL:" + sql
    errorcb = null
    if error
      errorcb = (res) ->
        error txself, res
    @add_to_transaction @trans_id, sql, values, successcb, errorcb
    console.log "executeSql - add_to_transaction" + sql

  SQLitePluginTransaction::complete = (success, error) ->
    console.log "SQLitePluginTransaction.prototype.complete"
    begin_opts = undefined
    commit_opts = undefined
    errorcb = undefined
    executes = undefined
    opts = undefined
    successcb = undefined
    txself = undefined
    throw new Error("Transaction already run")  if @__completed
    throw new Error("Transaction already submitted")  if @__submitted
    @__submitted = true
    txself = this
    successcb = ->
      if transaction_queue[txself.trans_id].length > 0 and not txself.optimization_no_nested_callbacks
        txself.__submitted = false
        txself.complete success, error
      else
        @__completed = true
        success txself  if success

    errorcb = (res) ->

    if error
      errorcb = (res) ->
        error txself, res
    transaction_callback_queue[@trans_id]["success"] = successcb
    transaction_callback_queue[@trans_id]["error"] = errorcb
    PhoneGap.exec null, null, "SQLitePlugin", "executeSqlBatch", transaction_queue[@trans_id]

  # required for callbacks:
  root.SQLitePluginTransaction = SQLitePluginTransaction

  root.sqlitePlugin =
    openDatabase: (dbPath, version, displayName, estimatedSize, creationCallback, errorCallback) ->
      new SQLitePlugin(dbPath, creationCallback, errorCallback)