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dpurdie |
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<%@LANGUAGE="VBSCRIPT"%>
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<%
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'=====================================================
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' project_log_json.asp
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'
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' AJAX SUpport for project_log.asp
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'=====================================================
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%>
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<%
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Option explicit
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Response.ContentType = "text/html"
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Response.AddHeader "Content-Type", "text/html;charset=UTF-8"
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Response.CodePage = 65001
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Response.CharSet = "UTF-8"
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%>
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<!--#include file="common/conf.asp"-->
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<!--#include file="common/globals.asp"-->
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<!--#include file="common/qstr.asp"-->
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<!--#include file="common/common_subs.asp"-->
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<SCRIPT LANGUAGE="VBScript" RUNAT=SERVER SRC="class/classaspJSON.vbs"></SCRIPT>
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<%
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'------------ Variable Definition -------------
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Dim result : result = -1
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Dim SqlQry
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Dim rsQry
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' Init the output JSON class
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' Operations can add data
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' Default data will be added at the end
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Dim oJSON :Set oJSON = New aspJSON
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Dim newitem
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'
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' Determine the size of the record set
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Dim MaxCount : MaxCount = 0
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SqlQry = "select count(*) as count from PROJECT_ACTION_LOG"
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On Error Resume Next
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objEH.ErrorRedirect = FALSE
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objEH.TryORA ( OraSession )
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Set rsQry = OraDatabase.DbCreateDynaset( SqlQry, ORADYN_DEFAULT )
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objEH.CatchORA ( OraSession )
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If ((NOT rsQry.BOF) AND (NOT rsQry.EOF)) Then
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MaxCount = rsQry("COUNT")
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End If
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rsQry.Close
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Set rsQry = Nothing
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' Basic Header
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oJSON.data("sEcho") = CInt(Request.QueryString("sEcho"))
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oJSON.data("iTotalRecords") = MaxCount
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oJSON.data("iTotalDisplayRecords") = MaxCount
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' Assist in debug
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oJSON.data("iReqDisplayStart") = CInt(Request.QueryString("iDisplayStart"))
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oJSON.data("iReqDisplayLength") = CInt(Request.QueryString("iDisplayLength"))
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Dim vName
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for each vName in Request.QueryString
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oJSON.data("sReq_" & vName) = Request.QueryString(vName)
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next
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' Extract selected range
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result = 0
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dim firstRow,lastRow
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firstRow = CInt(Request.QueryString("iDisplayStart"))
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lastRow = firstRow + CInt(Request.QueryString("iDisplayLength"))
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' Define the data items to extract from the database
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' Format is:
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' 1) Name of Database column
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' 2) Expression::Name of Database column
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' Name will be used for sorting puposes
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' Expression will be used for data retrieval
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'
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Dim dataCols: dataCols = Array ( _
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"TO_CHAR(PL.ACTION_DATETIME, 'Dy DD-Mon-YYYY HH:MI:SS')::PL.ACTION_DATETIME", _
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"PL.DESCRIPTION", _
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"PROJ_ID", _
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"RTAG_ID", _
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"AT.DESCRIPTION", _
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"FULL_NAME")
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' Split dataCols into two parts based on ::
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' FirstPart - Complex Expression
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' SecondPart - Simple Name for Result
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' If no '::' then Expression to be the simple bit
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Dim x, pos
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ReDim dataExt(Ubound(dataCols))
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For x = Lbound(dataCols) to Ubound(dataCols)
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pos = InStr( dataCols(x), "::" )
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If pos > 0 Then
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dataExt(x) = Mid( dataCols(x), 1, pos - 1 )
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dataCols(x) = Mid(dataCols(x), pos + 2)
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Else
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dataExt(x) = dataCols(x)
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End If
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Next
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' Dim determine sorting options
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Dim sortString
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If Request.QueryString("iSortCol_0") <> "" Then
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sortString = " ORDER BY " & dataCols(CInt(Request.QueryString("iSortCol_0")))
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sortString = sortString & " " & Request.QueryString("sSortDir_0")
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End If
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' Create a list of cols that we need. Avoids ambiguity in selections
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Dim colList,colListJoin
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For x = Lbound(dataCols) to Ubound(dataCols)
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colList = colList & colListJoin & dataExt(x)
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Dim asName
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asName = Replace(dataCols(x) , "." , "_")
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if dataCols(x) <> asName Then colList = colList & " as " & asName
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colListJoin = ","
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Next
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Dim BasicSql
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BasicSql = "select " & colList &_
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" from PROJECT_ACTION_LOG pl,USERS u, ACTION_TYPE at" &_
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" where pl.USER_ID = u.USER_ID and pl.acttype_id = at.acttype_id" &_
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sortString
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SqlQry = "select * from ( "&_
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"select a.*, ROWNUM rnum from (" & BasicSql &_
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") a where ROWNUM <= " & lastRow &_
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") where rnum >= " & firstRow
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' Assist in debug
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oJSON.data("BasicSql") = BasicSql
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'oJSON.data("SqlQry") = SqlQry
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' Perform the database query
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Set oJSON.data("aaData") = oJSON.Collection()
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On Error Resume Next
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objEH.ErrorRedirect = FALSE
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objEH.TryORA ( OraSession )
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Set rsQry = OraDatabase.DbCreateDynaset( SqlQry, ORADYN_DEFAULT )
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objEH.CatchORA ( OraSession )
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' Return all fields to the user as an array
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If objEH.Finally Then
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While (NOT rsQry.BOF) AND (NOT rsQry.EOF)
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Set newitem = oJSON.AddToCollection(oJSON.data("aaData"))
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Dim ii
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for ii = 0 to rsQry.Fields.Count - 1
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newitem(ii) = rsQry.Fields(ii)
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Next
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rsQry.MoveNext
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Wend
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End IF
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rsQry.Close
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Set rsQry = Nothing
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'
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' SQL error detection and reporting
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If objEH.LastOraFailed Then
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oJSON.data("error") = 1
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oJSON.data("emsgSummary") = objEH.MessageSummary
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oJSON.data("emsgDetails") = objEH.MessageDetails
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oJSON.data("SqlQry") = SqlQry
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End If
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'Return the object
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Response.Write oJSON.JSONoutput()
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'OraSession.Dispose()
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%>
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