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81 lines
3.0 KiB
81 lines
3.0 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Web.Core;
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using Web.Core.DB;
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using Web.Core.DB.conditions;
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namespace FLocal.Common.actions {
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class InsertOrUpdateChange : AbstractChange {
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private int? id;
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private AbstractCondition condition;
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private Dictionary<string, AbstractFieldValue> dataToInsert;
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private Dictionary<string, AbstractFieldValue> dataToUpdate;
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public InsertOrUpdateChange(ISqlObjectTableSpec tableSpec, Dictionary<string, AbstractFieldValue> dataToInsert, Dictionary<string, AbstractFieldValue> dataToUpdate, AbstractCondition condition)
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: base(tableSpec, (from kvp in dataToInsert select kvp.Value).Union(from kvp in dataToUpdate select kvp.Value)) {
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this.id = null;
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this.condition = condition;
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this.dataToInsert = dataToInsert;
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this.dataToUpdate = dataToUpdate;
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}
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public override int? getId() {
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return this.id;
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}
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public override void Lock(Transaction transaction) {
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List<string> ids = Config.instance.mainConnection.LoadIdsByConditions(transaction, this.tableSpec, this.condition, Diapasone.unlimited, new JoinSpec[0], new SortSpec[0], false);
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if(ids.Count > 1) {
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throw new CriticalException("Not unique");
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} else if(ids.Count == 1) {
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this.id = int.Parse(ids[0]);
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Config.instance.mainConnection.lockRow(transaction, this.tableSpec, this.id.ToString());
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} else {
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Config.instance.mainConnection.lockTable(transaction, this.tableSpec);
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ids = Config.instance.mainConnection.LoadIdsByConditions(transaction, this.tableSpec, this.condition, Diapasone.unlimited, new JoinSpec[0], new SortSpec[0], false);
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if(ids.Count > 1) {
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throw new CriticalException("Not unique");
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} else if(ids.Count == 1) {
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this.id = int.Parse(ids[0]);
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} else {
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this.id = null;
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}
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}
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}
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protected override void doApply(Transaction transaction) {
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if(this.id.HasValue) {
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Dictionary<string, string> row = Config.instance.mainConnection.LoadByIds(transaction, this.tableSpec, new List<string>() { this.id.ToString() })[0];
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Dictionary<string, string> processedData = new Dictionary<string,string>();
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foreach(KeyValuePair<string, AbstractFieldValue> kvp in this.dataToUpdate) {
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processedData[kvp.Key] = kvp.Value.getStringRepresentation(row[kvp.Key]);
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}
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Config.instance.mainConnection.update(
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transaction,
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this.tableSpec,
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this.id.ToString(),
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processedData
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);
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} else {
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Dictionary<string, string> processedData = new Dictionary<string,string>();
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foreach(KeyValuePair<string, AbstractFieldValue> kvp in this.dataToInsert) {
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processedData[kvp.Key] = kvp.Value.getStringRepresentation();
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}
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this.id = int.Parse(Config.instance.mainConnection.insert(
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transaction,
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this.tableSpec,
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processedData
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));
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if(processedData.ContainsKey(this.tableSpec.idName)) {
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this.id = int.Parse(processedData[this.tableSpec.idName]);
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}
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}
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}
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}
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}
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