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Linq Query Add new object array

Posted on 2016-09-07
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Last Modified: 2016-09-08
Hi

I had question on this Refactor C# code.

How do I query this if we have more than Single record for SalesOrderType(Mapping SubDocuments.Attributes) sepertaed by "$,$"

E.g. if we have document.attributes[0 ].value as below
Note we have 2 records in this  separated by $,$

1**10**New Client**2016-11-02**250**10-F0040Z$$10-F0040Z$$10-F00141$,$1W**New Client - Add2 Product**2016-11-02**250**1W-F71900$$1W-F0070X


     req.salesOrders = (from document in resp.transaction.quote_data.sub_documents
                                   let values = document.attributes[0].value.ToString().Split(new[] { "**" }, StringSplitOptions.None)
                                   where (document.attributes != null && document.attributes.Length > 0) && !string.IsNullOrWhiteSpace(document.attributes[0].value.ToString()) && !string.IsNullOrEmpty(values[3]) && (!string.IsNullOrWhiteSpace(values[5]) && values[5] != "$$")
                                   select new salesOrder()
                                   {
                                       productCode = values[1],
                                       salesOrderType = values[2],
                                       startDate = DateTime.Parse(values[3]).ToString("yyyy-MM-dd"),
                                       pays = !string.IsNullOrWhiteSpace(values[4]) ? int.Parse(values[4]) : 0,
                                       scns = (from code in values[5].Split(new[] { "$$" }, StringSplitOptions.RemoveEmptyEntries)
                                               select
                                               new scns()
                                               {
                                                   scnCode = code
                                               }).GroupBy(o => o.scnCode).Select(g => g.First()).ToList()

                                   }).ToList() ;
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Question by:Member_2_7967608
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Accepted Solution

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Fernando Soto earned 500 total points
ID: 41789422
Hi;

Linq query like this will do what you want. You will need to implement it to your code.
string[] documents = {"1**10**New Client**2016-11-02**250**10-F0040Z$$10-F0040Z$$10-F00141$,$1W**New Client - Add2 Product**2016-11-02**250**1W-F71900$$1W-F0070X",
			"1**10**New Client**2016-11-02**250**10-F0040Z$$10-F0040Z$$10-F00141$,$1W**New Client - Add2 Product**2016-11-02**250**1W-F71900$$1W-F0070X" };              
                                                                                                                                                                   
var result = (from string d in documents                                                                                                                           
              let docArray = Regex.Split(d, @"\$,\$")                                                                                                                    
              let value = docArray.Select(v => v.Split(new[] { "**"}, StringSplitOptions.RemoveEmptyEntries))                                                            
              select value).ToList();             

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The results of this code is.Resulta
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Author Comment

by:Member_2_7967608
ID: 41789725
The issue here is one row can be an array split by $,$ as below

1**10**New Client**2016-11-02**250**10-F0040Z$$10-F0040Z$$10-F00141$,$1**,1W**New Client - Add2 Product**2016-11-02**250**1W-F71900$$1W-F0070X

the second row can be as below with no $,$  

1**99**New Client**2016-11-02**250**10-F0040Z$$10-F0040Z$$10-F00141
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LVL 63

Expert Comment

by:Fernando Soto
ID: 41789903
Yes, take a close look at the results I posted you will see each input line gets split into two records for each line.
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Author Comment

by:Member_2_7967608
ID: 41789921
There is case where a row does not have '$,$'. Will it query this record.

1**99**New Client**2016-11-02**250**10-F0040Z$$10-F0040Z$$10-F00141
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LVL 63

Expert Comment

by:Fernando Soto
ID: 41789995
A single record in one string worked for me, I used this as input.
string[] documents = {"1**10**New Client**2016-11-02**250**10-F0040Z$$10-F0040Z$$10-F00141" };

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Author Comment

by:Member_2_7967608
ID: 41790037
Thanks Fernando.
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Author Comment

by:Member_2_7967608
ID: 41790064
Thanks Fernando, One thing I needed was  to eliminate duplicates in the output list req.salesOrders  for  salesOrder.productCode

Example req.salesOrders  should have single record for req.salesOrders=10  (product) this should be unique.   All the req.scns


> 1**10**New Client**2016-11-02**250**F0040Z$$F0040Z$$F00141$,$1**,1W**New Client - Add2 Product**2016-11-02**250**F71900$$F0070X

> 1**10**New Client**2016-11-02**250**F00498$$F00493$$F00141

Example in above it should return
{
productCode = 10
 salesOrderType =New Client,
 startDate = '2016-11-02',
 pays = 250
 scns = {F0040Z,F00141, F00498,F00493}  //removed dups . this is implemented
}
{
productCode = 1W
 salesOrderType =New Client - Add2 Product,
 startDate = '2016-11-02',
 pays = 250
 scns = { F71900,F0070X}
}

The DTOs of this question are in the link below.  I was not sure if we can implement in the same link.

https://www.experts-exchange.com/questions/28958730/Refactor-C-code.html
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LVL 63

Expert Comment

by:Fernando Soto
ID: 41790116
Hi;

A couple of things. First EE likes only to have one question per thread with followup questions relating to the original question posted. Because your last post does not relate to the original question please open a new question for it and I will be happy to look at it. Secondly what do you mean by duplicates? For example in req.salesOrders you have five fields, do ALL fields of a record have to be exactly the same or only some or one fields be the same for it to be a duplicate?
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Author Comment

by:Member_2_7967608
ID: 41790187
Sorry about it , I was not aware about it.  I put it since it was very much related. I can open new question if u want to.

In the output  list req.saleorders we have remove duplicates by productCode.
In the below example it is value[1] 10, 1W.

req.salesorders should be unique on the value[1] field

> 1**10**New Client**2016-11-02**250**F0040Z$$F0040Z$$F00141$,$1**,1W**New Client - Add2 Product**2016-11-02**250**F71900$$F0070X

> 1**10**New Client**2016-11-02**250**F00498$$F00493$$F00141

Thanks in advance
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LVL 63

Expert Comment

by:Fernando Soto
ID: 41790193
Yes, please open a new question. Thank you.
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