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source: trunk/grails-app/services/InventoryCsvService.groovy @ 719

Last change on this file since 719 was 719, checked in by gav, 14 years ago
Domain change: as per ticket #96 - Remove unused fields from InventoryItem?. Removed InventoryItem?.preferredManufacturer and manufacturersPartNumber.
File size: 33.4 KB

Rev	Line
[423]	1	import grails.util.GrailsUtil
	2	import au.com.bytecode.opencsv.CSVWriter
	3	import au.com.bytecode.opencsv.CSVReader
	4	import org.apache.commons.lang.WordUtils
	5
	6	/**
	7	* Provides some csv import/export methods.
	8	* Requires the opencsv jar to be available which is included in the grails-export plugin.
	9	*/
	10	class InventoryCsvService {
	11
	12	boolean transactional = false
	13
[441]	14	def dateUtilService
	15
[423]	16	def g = new org.codehaus.groovy.grails.plugins.web.taglib.ApplicationTagLib()
	17
	18	def sessionFactory
	19	def propertyInstanceMap = org.codehaus.groovy.grails.plugins.DomainClassGrailsPlugin.PROPERTY_INSTANCE_MAP
	20
	21	/**
	22	* Import inventory creating items as required.
	23	* @param request The http request to run getFile against.
	24	* Get file should return a csv format file containing the inventory as per template.
	25	*/
	26	def importInventory(request) {
	27	InventoryItem.withTransaction { status ->
	28	def result = [:]
	29
	30	def kByteMultiplier = 1000
[426]	31	def fileMaxSize = 800 * kByteMultiplier
[423]	32	def logFileLink = g.link(controller: "appCore", action: "appLog") {"log"}
	33
	34	def multiPartFile = request.getFile('file')
	35
	36	InputStreamReader sr = new InputStreamReader(multiPartFile.inputStream)
	37	CSVReader reader = new CSVReader(sr)
	38
	39	def fail = { Map m ->
	40	status.setRollbackOnly()
	41	reader.close()
	42	result.error = [ code: m.code, args: m.args ]
	43	return result
	44	}
	45
	46	if(!multiPartFile \|\| multiPartFile.isEmpty())
	47	return fail(code: "default.file.not.supplied")
	48
	49	if (multiPartFile.getSize() > fileMaxSize)
	50	return fail(code: "default.file.over.max.size", args: [fileMaxSize/kByteMultiplier, "kB"])
	51
	52	def line = []
	53	def lineNumber = 0
[719]	54	def maxNumberOfColumns = 20
[423]	55	def inventoryParams = [:]
[715]	56	def inventoryProperties = ["name", "description", "comment", "unitsInStock", "reorderPoint", "reorderQuantity",
[423]	57	"unitOfMeasure", "estimatedUnitPriceAmount", "estimatedUnitPriceCurrency",
[616]	58	"enableReorderListing", "inventoryLocation", "inventoryStore", "site",
[718]	59	"inventoryGroup", "inventoryType",
[436]	60	"suppliersPartNumber", "preferredSupplier", "alternateSuppliers",
	61	"alternateItems", "spareFor"]
[423]	62
	63	def siteInstance
[436]	64	def alternateSupplierInstance
	65	def preferredSupplierInstance
[423]	66	def supplierTypeInstance
	67	def supplierTypeUnknown = SupplierType.get(1)
	68	def spareForInstance
	69	def alternateItemInstance
	70	def inventoryTypeInstance
	71	def unitOfMeasureInstance
	72	def inventoryGroupInstance
	73	def inventoryItemInstance
	74	def inventoryStoreInstance
	75	def inventoryLocationInstance
	76
[436]	77	def tempPreferredSupplierItemAndType = ''
	78	def tempPreferredSupplierItem = ''
	79	def tempPreferredSupplierType = ''
	80
	81	def tempAlternateSuppliers = []
[426]	82	def tempSupplierItem = ''
	83	def tempSupplierType = ''
[423]	84	def tempSupplierItemAndType = []
[436]	85
[423]	86	def tempSpareFor = []
	87	def tempAlternateItems = []
	88
	89	def nextLine = {
	90	line = reader.readNext()
	91	lineNumber ++
	92	log.info "Processing line: " + lineNumber
	93	}
	94
	95	def parseInputList = {
[426]	96	if( (it == null) \|\| (it.trim() == '') ) return []
[423]	97	return it.split(";").collect{it.trim()}
	98	}
	99
	100	def parseItemAndType = {
	101	return it.split("@").collect{it.trim()}
	102	}
	103
	104	// Get first line.
	105	nextLine()
	106
	107	// Check for header line 1.
	108	if(line != templateHeaderLine1) {
	109	log.error "Failed to find header line 1. "
	110	log.error "Required: " + templateHeaderLine1.toString()
	111	log.error "Supplied: " + line.toString()
	112	return fail(code: "default.file.no.header")
	113	}
	114
	115	log.info "Header line found."
	116
	117	// Prepare the first body line.
	118	nextLine()
	119
	120	// Primary loop.
	121	while(line) {
	122
	123	if(line.size() > maxNumberOfColumns) {
	124	log.error "Too many columns on line: " + lineNumber
	125	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	126	}
	127
	128	// Ignore comment lines.
	129	if(line.toString().toLowerCase().contains("comment")) {
	130	log.info "Comment line found."
	131	nextLine()
	132	continue
	133	}
	134
	135	// Ignore example lines.
	136	if(line.toString().toLowerCase().contains("example")) {
	137	log.info "Example line found."
	138	nextLine()
	139	continue
	140	}
	141
	142	// Parse the line into the params map.
	143	inventoryParams = [:]
	144	line.eachWithIndex { it, j ->
	145	inventoryParams."${inventoryProperties[j]}" = it.trim()
	146	}
	147
	148	// Debug
	149	log.debug " Supplied params: "
	150	log.debug inventoryParams
	151
	152	// Ignore blank lines.
	153	if(inventoryParams.name == '') {
	154	log.info "No name found."
	155	nextLine()
	156	continue
	157	}
	158
	159	/** Prepare the params and create supporting items as required. */
	160
	161	// Site
[426]	162	inventoryParams.site = WordUtils.capitalize(inventoryParams.site)
[423]	163	siteInstance = Site.findByName(inventoryParams.site)
	164	if(!siteInstance) {
	165	siteInstance = new Site(name: inventoryParams.site)
	166	if(!siteInstance.save()) {
	167	log.error "Failed to create site on line: " + lineNumber
	168	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	169	}
	170	}
	171
	172	// InventoryStore
[426]	173	inventoryParams.inventoryStore = WordUtils.capitalizeFully(inventoryParams.inventoryStore)
[423]	174	inventoryStoreInstance = InventoryStore.findByName(inventoryParams.inventoryStore)
	175	if(!inventoryStoreInstance) {
	176	inventoryStoreInstance = new InventoryStore(name: inventoryParams.inventoryStore,
	177	site: siteInstance)
	178	if(!inventoryStoreInstance.save()) {
	179	log.error "Failed to create inventory store on line: " + lineNumber
	180	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	181	}
	182	}
	183
	184	// InventoryLocation
[426]	185	inventoryParams.inventoryLocation = WordUtils.capitalize(inventoryParams.inventoryLocation)
[423]	186	inventoryLocationInstance = InventoryLocation.findByName(inventoryParams.inventoryLocation)
	187	if(!inventoryLocationInstance) {
	188	inventoryLocationInstance = new InventoryLocation(name: inventoryParams.inventoryLocation,
	189	inventoryStore: inventoryStoreInstance)
	190	if(!inventoryLocationInstance.save()) {
	191	log.error "Failed to create inventory location on line: " + lineNumber
	192	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	193	}
	194	}
	195
	196	// InventoryGroup
[426]	197	inventoryParams.inventoryLocation = WordUtils.capitalizeFully(inventoryParams.inventoryLocation)
[423]	198	inventoryGroupInstance = InventoryGroup.findByName(inventoryParams.inventoryGroup)
	199	if(!inventoryGroupInstance) {
	200	inventoryGroupInstance = new InventoryGroup(name: inventoryParams.inventoryGroup)
	201	if(!inventoryGroupInstance.save()) {
	202	log.error "Failed to create inventory group on line: " + lineNumber
	203	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	204	}
	205	}
	206
	207	// InventoryType
[426]	208	inventoryParams.inventoryType = WordUtils.capitalizeFully(inventoryParams.inventoryType)
[423]	209	inventoryTypeInstance = InventoryType.findByName(inventoryParams.inventoryType)
	210	if(!inventoryTypeInstance) {
	211	inventoryTypeInstance = new InventoryType(name: inventoryParams.inventoryType)
	212	if(!inventoryTypeInstance.save()) {
	213	log.error "Failed to create inventory type on line: " + lineNumber
	214	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	215	}
	216	}
	217
	218	// UnitOfMeasure.
	219	unitOfMeasureInstance = UnitOfMeasure.findByName(inventoryParams.unitOfMeasure)
	220	if(!unitOfMeasureInstance) {
	221	unitOfMeasureInstance = new UnitOfMeasure(name: inventoryParams.unitOfMeasure)
	222	if(!unitOfMeasureInstance.save()) {
	223	log.error "Failed to create unit of measure on line: " + lineNumber
	224	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	225	}
	226	}
	227
[436]	228	// Preferred Supplier
	229	if(inventoryParams.preferredSupplier) {
	230	tempPreferredSupplierItemAndType = parseItemAndType(inventoryParams.preferredSupplier)
	231	tempPreferredSupplierItem = WordUtils.capitalize(tempPreferredSupplierItemAndType[0])
[423]	232
[436]	233	preferredSupplierInstance = Supplier.findByName(tempPreferredSupplierItem)
	234	if(!preferredSupplierInstance) {
	235
	236	// SupplierType.
	237	if(tempPreferredSupplierItemAndType.size == 2) {
[441]	238	tempPreferredSupplierType = WordUtils.capitalize(tempPreferredSupplierItemAndType[1])
[436]	239	supplierTypeInstance = SupplierType.findByName(tempPreferredSupplierType)
	240	}
	241	else
	242	supplierTypeInstance = supplierTypeUnknown
	243	if(!supplierTypeInstance) {
	244	log.error "Failed to find preferred supplier type on line: " + lineNumber
	245	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	246	}
	247
	248	preferredSupplierInstance = new Supplier(name: tempPreferredSupplierItem,
	249	supplierType: supplierTypeInstance)
	250	if(!preferredSupplierInstance.save()) {
	251	log.error "Failed to create preferred supplier on line: " + lineNumber
	252	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	253	}
	254	}
	255	}
	256	else
	257	preferredSupplierInstance = null
	258
	259	// Alternate Suppliers.
	260	tempAlternateSuppliers = parseInputList(inventoryParams.alternateSuppliers)
	261	inventoryParams.alternateSuppliers = []
	262
	263	for(tempSupplier in tempAlternateSuppliers) {
[423]	264	tempSupplierItemAndType = parseItemAndType(tempSupplier)
[426]	265	tempSupplierItem = WordUtils.capitalizeFully(tempSupplierItemAndType[0])
[423]	266
[436]	267	alternateSupplierInstance = Supplier.findByName(tempSupplierItem)
	268	if(!alternateSupplierInstance) {
[423]	269
	270	// SupplierType.
[426]	271	if(tempSupplierItemAndType.size == 2) {
[441]	272	tempSupplierType = WordUtils.capitalize(tempSupplierItemAndType[1])
[426]	273	supplierTypeInstance = SupplierType.findByName(tempSupplierType)
	274	}
[423]	275	else
	276	supplierTypeInstance = supplierTypeUnknown
	277	if(!supplierTypeInstance) {
[436]	278	log.error "Failed to find alternate supplier type on line: " + lineNumber
[423]	279	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	280	}
	281
[436]	282	alternateSupplierInstance = new Supplier(name: tempSupplierItem,
[423]	283	supplierType: supplierTypeInstance)
[436]	284	if(!alternateSupplierInstance.save()) {
	285	log.error "Failed to create alternate suppliers on line: " + lineNumber
[423]	286	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	287	}
	288	}
	289
[441]	290	inventoryParams.alternateSuppliers.add(alternateSupplierInstance)
[423]	291	}
	292
	293	// AlternateItems.
	294	tempAlternateItems = parseInputList(inventoryParams.alternateItems)
	295	inventoryParams.alternateItems = []
	296
	297	for(tempAlternateItem in tempAlternateItems) {
[426]	298	tempAlternateItem = WordUtils.capitalize(tempAlternateItem)
[423]	299	alternateItemInstance = InventoryItem.findByName(tempAlternateItem)
	300	if(!alternateItemInstance) {
	301	alternateItemInstance = new InventoryItem(name: tempAlternateItem,
	302	description: "Generated from alternateItems during import, details may not be correct.",
	303	reorderPoint: 0,
	304	inventoryGroup: inventoryGroupInstance,
	305	inventoryType: inventoryTypeInstance,
	306	unitOfMeasure: unitOfMeasureInstance,
	307	inventoryLocation: inventoryLocationInstance)
	308	if(!alternateItemInstance.save()) {
	309	log.error "Failed to create alternateItems on line: " + lineNumber
	310	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	311	}
	312	}
	313
	314	inventoryParams.alternateItems.add(alternateItemInstance)
	315	}
	316
	317	// spareFor.
	318	tempSpareFor = parseInputList(inventoryParams.spareFor)
	319	inventoryParams.spareFor = []
	320
	321	for(asset in tempSpareFor) {
	322
[426]	323	asset = WordUtils.capitalize(asset)
[423]	324
	325	spareForInstance = Asset.findByName(asset)
	326	if(!spareForInstance) {
	327	log.error "Failed to find 'Spare For' asset on line: " + lineNumber
	328	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	329	}
	330
	331	inventoryParams.spareFor.add(spareForInstance)
	332	}
	333
	334	// Assign the retrieved or created instances to params.
	335	inventoryParams.inventoryLocation = inventoryLocationInstance
	336	inventoryParams.inventoryGroup = inventoryGroupInstance
	337	inventoryParams.inventoryType = inventoryTypeInstance
	338	inventoryParams.unitOfMeasure = unitOfMeasureInstance
[436]	339	inventoryParams.preferredSupplier = preferredSupplierInstance
[423]	340
[427]	341	// Name.
	342	// Checked above for blank string.
[426]	343	inventoryParams.name = WordUtils.capitalize(inventoryParams.name)
	344
[427]	345	// Description.
	346	if(inventoryParams.description != '')
	347	inventoryParams.description = inventoryParams.description[0].toUpperCase() + inventoryParams.description[1..-1]
	348
[423]	349	// Debug
	350	log.debug "InventoryParams: "
	351	log.debug inventoryParams
	352
	353	// Create new or update.
	354	inventoryItemInstance = InventoryItem.findByName(inventoryParams.name)
	355	if(inventoryItemInstance) {
	356	log.info "Updating existing item: " + inventoryItemInstance
	357	inventoryItemInstance.properties = inventoryParams
	358	}
	359	else {
	360	log.info "Creating new item: " + inventoryParams.name
	361	inventoryItemInstance = new InventoryItem(inventoryParams)
	362	}
	363
	364	// Save inventoryItem.
	365	if(inventoryItemInstance.hasErrors() \|\| !inventoryItemInstance.save()) {
[441]	366	log.error "Failed to create item on line: " + lineNumber
[423]	367	log.debug inventoryItemInstance.errors
	368	return fail(code: "inventory.import.failure", args: [lineNumber, logFileLink])
	369	}
	370
	371	if(lineNumber % 100 == 0)
	372	cleanUpGorm()
	373
	374	if(!result.error) nextLine()
	375	} //while(line)
	376
	377	// Success.
	378	log.info "End of file."
	379	reader.close()
	380	return result
	381
	382	} //end withTransaction
	383	} // end importInventory()
	384
	385	/**
	386	* Build an inventory template csv file.
	387	* This template can then be populated for import.
	388	* @returns The template as a String in csv format.
	389	*/
	390	def buildInventoryTemplate() {
	391
	392	StringWriter sw = new StringWriter()
	393	CSVWriter writer = new CSVWriter(sw)
	394
	395	writeTemplateLines(writer)
	396
	397	writer.close()
	398	return sw.toString()
	399	}
	400
	401	private writeTemplateLines(writer) {
	402	writer.writeNext(templateHeaderLine1 as String[])
	403	writer.writeNext()
	404	writer.writeNext("Comment: The header line is required.")
	405	writer.writeNext("Comment: Required columns are marked with a (*) in the header line.")
	406	writer.writeNext("Comment: Lists of items in a column must be separated by a semicolon (;), not a comma.")
[719]	407	writer.writeNext("Comment: The at symbol (@) is reserved for indicating supplier types.")
[423]	408	writer.writeNext("Comment: Identical and existing names will be considered as the same item.")
	409	writer.writeNext("Comment: Lines containing 'comment' will be ignored.")
	410	writer.writeNext("Comment: Lines containing 'example' will be ignored.")
	411	writer.writeNext("Comment: This file must be saved as a CSV file before import.")
	412	writer.writeNext()
	413	}
	414
	415	/**
	416	* Build an inventory example/test file.
	417	* This test file can be imported to test the import and export methods.
	418	* @returns The test file as a String in csv format.
	419	*/
	420	def buildInventoryExample() {
	421
	422	StringWriter sw = new StringWriter()
	423	CSVWriter writer = new CSVWriter(sw)
	424
	425	writeTemplateLines(writer)
	426
	427	// Requires creation of some of the base/group/type data.
	428	writer.writeNext(["Split19", "19mm split pin", "Very usefull item.",
	429	"1024", "0", "1",
	430	"each", "5", "NZD",
	431	"false", "BR4",
	432	"Store #99", "Inventory Depot",
	433	"Mechanical Stock",
	434	"Consumable",
[436]	435	"123", "Multi Supplier@Local",
	436	"Multi Distributors1@OEM; Multi Distributors2@Local",
[423]	437	"2204E-2RS", ""
	438	] as String[])
	439
	440	// Using existing base data.
	441	writer.writeNext(["2204E-2RS", "Double Row Self Align Ball Bearing 2204E-2RS - Sealed - 20/47x18", "",
	442	"4", "1", "9",
	443	"each", "16.35", "USD",
	444	"TRUE", "BR4",
	445	"Store #99", "Inventory Depot",
	446	"Mechanical Stock",
	447	"Consumable",
[436]	448	"456KL", "Multi Supplier",
	449	"Multi Distributors1; Multi Distributors2",
[423]	450	"", ""
	451	] as String[])
	452
	453	writer.close()
	454	return sw.toString()
	455	}
	456
	457	/**
	458	* Build complete inventory for export.
[436]	459	* @param inventoryItemList The list of inventory items to build.
[423]	460	* @returns The inventory as a String in csv format.
	461	*/
	462	def buildInventory(List inventoryItemList) {
	463
	464	def sw = new StringWriter()
	465	def writer = new CSVWriter(sw)
	466
	467	writeTemplateLines(writer)
	468
	469	//Rows
	470	def row
	471
	472	inventoryItemList.sort { p1, p2 -> p1.name.compareToIgnoreCase(p2.name) }.each() { inventoryItem ->
	473	row = []
	474	row.add(inventoryItem.name)
	475	row.add(inventoryItem.description)
	476	row.add(inventoryItem.comment)
	477	row.add(inventoryItem.unitsInStock)
	478	row.add(inventoryItem.reorderPoint)
[715]	479	row.add(inventoryItem.reorderQuantity)
[423]	480	row.add(inventoryItem.unitOfMeasure)
	481	row.add(inventoryItem.estimatedUnitPriceAmount)
	482	row.add(inventoryItem.estimatedUnitPriceCurrency)
[616]	483	row.add(inventoryItem.enableReorderListing)
[423]	484	row.add(inventoryItem.inventoryLocation)
	485	row.add(inventoryItem.inventoryLocation.inventoryStore)
	486	row.add(inventoryItem.inventoryLocation.inventoryStore.site)
	487	row.add(inventoryItem.inventoryGroup)
	488	row.add(inventoryItem.inventoryType)
	489	row.add(inventoryItem.suppliersPartNumber)
	490
[436]	491	if(inventoryItem.preferredSupplier)
	492	row.add( inventoryItem.preferredSupplier.name + "@" + inventoryItem.preferredSupplier.supplierType )
	493	else
	494	row.add('')
	495
	496	row.add( inventoryItem.alternateSuppliers.sort { p1, p2 ->
[423]	497	p1.name.compareToIgnoreCase(p2.name)
	498	}.collect { it.name + "@" + it.supplierType }.join(';') )
	499
	500	row.add(inventoryItem.spareFor.sort { p1, p2 ->
	501	p1.name.compareToIgnoreCase(p2.name)
	502	}.collect { it.name }.join(';'))
	503
	504	writer.writeNext(row as String[])
	505	}
	506
	507	writer.close()
	508	return sw.toString()
[441]	509	} // end buildInventory()
[423]	510
[441]	511	/**
	512	* Import inventoryItemPurchases creating items as required.
	513	*/
	514	def importInventoryItemPurchases(request) {
	515	InventoryItemPurchase.withTransaction { status ->
	516	def result = [:]
	517
	518	def kByteMultiplier = 1000
	519	def fileMaxSize = 800 * kByteMultiplier
	520	def logFileLink = g.link(controller: "appCore", action: "appLog") {"log"}
	521
	522	def multiPartFile = request.getFile('file')
	523
	524	InputStreamReader sr = new InputStreamReader(multiPartFile.inputStream)
	525	CSVReader reader = new CSVReader(sr)
	526
	527	def fail = { Map m ->
	528	status.setRollbackOnly()
	529	reader.close()
	530	result.error = [ code: m.code, args: m.args ]
	531	return result
	532	}
	533
	534	if(!multiPartFile \|\| multiPartFile.isEmpty())
	535	return fail(code: "default.file.not.supplied")
	536
	537	if (multiPartFile.getSize() > fileMaxSize)
	538	return fail(code: "default.file.over.max.size", args: [fileMaxSize/kByteMultiplier, "kB"])
	539
	540	def line = []
	541	def lineNumber = 0
	542	def maxNumberOfColumns = 10
	543	def inventoryItemPurchaseParams = [:]
	544	def inventoryItemPurchaseProperties = ["inventoryItem", "purchaseOrderNumber", "quantity",
	545	"inventoryItemPurchaseType",
	546	"costCode", "enteredBy", "dateEntered",
	547	"orderValueAmount", "orderValueCurrency", "invoiceNumber"]
	548
	549	def personInstance
	550	def costCodeInstance
	551	def inventoryItemInstance
	552	def inventoryItemPurchaseInstance
	553	def inventoryItemPurchaseTypeInstance
	554
	555	def nextLine = {
	556	line = reader.readNext()
	557	lineNumber ++
	558	log.info "Processing line: " + lineNumber
	559	}
	560
	561	def parseInputDate = {
	562	if( (it == null) \|\| (it.trim() == '') ) {
	563	log.error "Failed to find any date on line: " + lineNumber
	564	return fail(code: "inventoryItemPurchase.import.failure", args: [lineNumber, logFileLink])
	565	}
	566
	567	def d = it.split("/").collect{it.trim()}
	568	if(d.size() != 3) {
	569	log.error "Failed to find full date on line: " + lineNumber
	570	return fail(code: "inventoryItemPurchase.import.failure", args: [lineNumber, logFileLink])
	571	}
	572	dateUtilService.makeDate(d[0], d[1], d[2])
	573	}
	574
	575	// Get first line.
	576	nextLine()
	577
	578	// Check for header line 1.
	579	if(line != purchasesTemplateHeaderLine1) {
	580	log.error "Failed to find header line 1. "
	581	log.error "Required: " + purchasesTemplateHeaderLine1.toString()
	582	log.error "Supplied: " + line.toString()
	583	return fail(code: "default.file.no.header")
	584	}
	585
	586	log.info "Header line found."
	587
	588	// Prepare the first body line.
	589	nextLine()
	590
	591	// Primary loop.
	592	while(line) {
	593
	594	if(line.size() > maxNumberOfColumns) {
	595	log.error "Too many columns on line: " + lineNumber
	596	return fail(code: "inventoryItemPurchase.import.failure", args: [lineNumber, logFileLink])
	597	}
	598
	599	// Ignore comment lines.
	600	if(line.toString().toLowerCase().contains("comment")) {
	601	log.info "Comment line found."
	602	nextLine()
	603	continue
	604	}
	605
	606	// Ignore example lines.
	607	if(line.toString().toLowerCase().contains("example")) {
	608	log.info "Example line found."
	609	nextLine()
	610	continue
	611	}
	612
	613	// Parse the line into the params map.
	614	inventoryItemPurchaseParams = [:]
	615	line.eachWithIndex { it, j ->
	616	inventoryItemPurchaseParams."${inventoryItemPurchaseProperties[j]}" = it.trim()
	617	}
	618
	619	// Debug
	620	log.debug " Supplied params: "
	621	log.debug inventoryItemPurchaseParams
	622
	623	// Ignore blank lines.
	624	if(inventoryItemPurchaseParams.inventoryItem == '') {
	625	log.info "No inventory item name found."
	626	nextLine()
	627	continue
	628	}
	629
	630	// Inventory Item.
	631	inventoryItemPurchaseParams.inventoryItem = WordUtils.capitalize(inventoryItemPurchaseParams.inventoryItem)
	632	inventoryItemInstance = InventoryItem.findByName(inventoryItemPurchaseParams.inventoryItem)
	633	if(!inventoryItemInstance) {
	634	log.error "Inventory item not found on line: " + lineNumber
	635	return fail(code: "inventoryItemPurchase.import.failure", args: [lineNumber, logFileLink])
	636	}
	637	inventoryItemPurchaseParams.inventoryItem = inventoryItemInstance
	638
	639	// Quantity.
	640	if(inventoryItemPurchaseParams.quantity.isInteger())
	641	inventoryItemPurchaseParams.quantity = inventoryItemPurchaseParams.quantity.toInteger()
	642	else {
	643	log.error "Quantity is not a valid number on line: " + lineNumber
	644	return fail(code: "inventoryItemPurchase.import.failure", args: [lineNumber, logFileLink])
	645	}
	646
	647	// InventoryItemPurchaseType.
	648	inventoryItemPurchaseParams.inventoryItemPurchaseType = WordUtils.capitalizeFully(inventoryItemPurchaseParams.inventoryItemPurchaseType)
	649	inventoryItemPurchaseTypeInstance = InventoryItemPurchaseType.findByName(inventoryItemPurchaseParams.inventoryItemPurchaseType)
	650	if(!inventoryItemPurchaseTypeInstance) {
	651	log.error "Inventory item purchase type not found on line: " + lineNumber
	652	log.debug inventoryItemPurchaseParams.inventoryItemPurchaseType
	653	return fail(code: "inventoryItemPurchase.import.failure", args: [lineNumber, logFileLink])
	654	}
	655	inventoryItemPurchaseParams.inventoryItemPurchaseType = inventoryItemPurchaseTypeInstance
	656
	657	// CostCode.
	658	if(inventoryItemPurchaseParams.costCode != '') {
	659	inventoryItemPurchaseParams.costCode = WordUtils.capitalizeFully(inventoryItemPurchaseParams.costCode)
	660	costCodeInstance = CostCode.findByName(inventoryItemPurchaseParams.costCode)
	661	if(!costCodeInstance) {
	662	costCodeInstance = new CostCode(name: inventoryItemPurchaseParams.costCode)
	663	if(!costCodeInstance.save()) {
	664	log.error "Failed to create cost code on line: " + lineNumber
	665	return fail(code: "inventoryItemPurchase.import.failure", args: [lineNumber, logFileLink])
	666	}
	667	}
	668	inventoryItemPurchaseParams.costCode = costCodeInstance
	669	}
	670
	671	// Entered By.
	672	inventoryItemPurchaseParams.enteredBy = inventoryItemPurchaseParams.enteredBy.toLowerCase()
	673	personInstance = Person.findByLoginName(inventoryItemPurchaseParams.enteredBy)
	674	if(!personInstance) {
	675	log.error "Entered by person not found on line: " + lineNumber
	676	return fail(code: "inventoryItemPurchase.import.failure", args: [lineNumber, logFileLink])
	677	}
	678	inventoryItemPurchaseParams.enteredBy = personInstance
	679
	680	// Date Entered.
	681	inventoryItemPurchaseParams.dateEntered = parseInputDate(inventoryItemPurchaseParams.dateEntered)
	682
	683	// Debug
	684	log.debug "InventoryItemPurchaseParams: "
	685	log.debug inventoryItemPurchaseParams
	686
	687	// Save inventoryItem.
	688	log.info "Creating new purchase."
	689	inventoryItemPurchaseInstance = new InventoryItemPurchase(inventoryItemPurchaseParams)
	690
	691	if(inventoryItemPurchaseInstance.hasErrors() \|\| !inventoryItemPurchaseInstance.save()) {
	692	log.error "Failed to create item on line: " + lineNumber
	693	log.debug inventoryItemPurchaseInstance.errors
	694	return fail(code: "inventoryItemPurchase.import.failure", args: [lineNumber, logFileLink])
	695	}
	696
	697	if(lineNumber % 100 == 0)
	698	cleanUpGorm()
	699
	700	if(!result.error) nextLine()
	701	} //while(line)
	702
	703	// Success.
	704	log.info "End of file."
	705	reader.close()
	706	return result
	707
	708
	709	} //end withTransaction
	710	} // end importInventoryItemPurchases()
	711
[423]	712	private getTemplateHeaderLine1() {
[715]	713	["Name", "Description", "Comment", "Units In Stock", "Reorder Point", "Reorder Quantity", "Unit Of Measure*",
[423]	714	"Estimated Unit Price", "Currency", "Enable Reorder", "Location", "Store", "Site", "Group", "Type*",
[718]	715	"Supplier's Part Number", "Preferred Supplier", "Alternate Suppliers",
[719]	716	"Alternate Item", "Spare For"]
[423]	717	}
	718
[441]	719	private getPurchasesTemplateHeaderLine1() {
[462]	720	["Inventory Item", "Purchase Order Number", "Quantity", "Purchase Type", "Cost Code", "Entered By",
[441]	721	"Date Entered*", "Order Value", "Currency", "Invoice Number"]
	722	}
	723
[423]	724	/**
	725	* This cleans up the hibernate session and a grails map.
	726	* For more info see: http://naleid.com/blog/2009/10/01/batch-import-performance-with-grails-and-mysql/
	727	* The hibernate session flush is normal for hibernate.
	728	* The map is apparently used by grails for domain object validation errors.
	729	* A starting point for clean up is every 100 objects.
	730	*/
	731	def cleanUpGorm() {
	732	def session = sessionFactory.currentSession
	733	session.flush()
	734	session.clear()
	735	propertyInstanceMap.get().clear()
	736	}
	737
	738	} // end class

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