Developer's Guide - EPiServer World

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72 | Developer’s Guide EPiServer Community 3.1 2.18.3 Remove an Expert When the existing Expert or ExpertMember does not want to or cannot be an expert any more, he can be removed from the EPiServer Community. This section briefly explains how to do that. Import Necessary Namespaces First, import the necessary namespaces that will be used to remove an expert. The namespace StarCommunity.Modules.Expert is described by clicking on its name. Make sure you add the assembly as a reference, mentioned in section 1.1.1. using StarCommunity.Modules.Expert; Remove an Expert Removing an expert is a very simple operation – all that is needed is to have an Expert or ExpertMember object, and call the RemoveExpert method of the ExpertHandler class. Removing an expert means that he will no longer be able to login, view or answer questions etc. If the expert is ExpertMember, the underlying user is not deleted – he is simply no longer an expert within the community, but is still a valid user of the community. // Get an expert to remove ExpertBase expert = ExpertHandler.GetExpert(234); // remove the expert ExpertHandler.RemoveExpert(expert); 2.18.4 See if a User is an Expert It is often needed in the application to display different user interface depending on whether the currently logged in user has some capabilities or not. The same applies to the Expert functionality – when a user is an expert, there can be a need to display questions assigned to him, or enable user interface features to answer questions. This section will show how to obtain information if a user is an Expert. Import Necessary Namespaces First, import the necessary namespaces that will be used to check if a user is an expert. The namespaces StarCommunity.Core, StarCommunity.Core.Modules.Security and StarCommunity.Modules.Expert are described by clicking on respective names. Make sure you add the assembly as a reference, mentioned in section 1.1.1. using StarCommunity.Core; using StarCommunity.Core.Modules.Security; using StarCommunity.Modules.Expert; © EPiServer AB
Tutorials | 73 Check if a User is an Expert The simplest way to check if a User is an Expert is to get an Expert based on the user we want to check using the GetExpert method of the ExpertHandler. If the function returns an ExpertMember object, it means that the user is an expert; if it returns null, the user is not an expert, as no expert with that unique user id exists in the database. // Get the user to check by id IUser user = (IUser)StarCommunitySystem. CurrentContext.DefaultSecurity.GetUser(1234); bool isExpert = false; // Try to retrieve an expert ExpertBase expert = ExpertHandler.GetExpert(user); // if returned expert object is not null, the user is an expert if ( expert != null ) isExpert = true; 2.18.5 Add a Question The purpose of experts existence in the community is simply to answer questions. However, before they can do so, a question has to be asked. In this section, we will show how a user can add a question to an Expert. Import Necessary Namespaces First, import the necessary namespaces that will be used to ask a question by a user. The namespaces StarCommunity.Core, StarCommunity.Core.Modules.Security and StarCommunity.Modules.Expert are described by clicking on their respective names. Make sure you add the assembly as a reference, mentioned in section 1.1.1. using StarCommunity.Core; using StarCommunity.Core.Modules; using StarCommunity.Core.Modules.Security; using StarCommunity.Modules.Expert; Add a Question To add a question, first a Questioncode object has to be created. To create it, we need to provide question header, question body, the status of the question and the author of the question. Question header and body are strings that define the question; the question status can be one of: New, Assigned, Published, Revoked or Rejected. For new questions, it is best to set the status to New. Question author can be one of: UserAuthor (community User is the author of the question), AnonymousAuthor (community User is the author, but does not want to be identified by other community members) and GuestAuthor (has no underlying user). © EPiServer AB
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Release 3.1.0 Developer’s Guide
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Table of Contents | 3 Table of Cont
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Basic Understanding | 5 2.10.5 Addi
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Basic Understanding | 7 1 Basic Und
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Basic Understanding | 9 1.2.2 EPiSe
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Basic Understanding | 11 StarCommun
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Basic Understanding | 13 1.2.4 EPiS
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Basic Understanding | 15 If MyClass
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Basic Understanding | 17 1.3.4 Star
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Basic Understanding | 19 1.3.18 Sta
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Table of Contents | 3 2 Tutorials 2
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Tutorials | 5 Note that when changi
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Tutorials | 7 IUser user = (IUser)S
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Tutorials | 9 user.BirthDate = new
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Tutorials | 11 Attaching the Group
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Tutorials | 13 The Tag object is de
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Tutorials | 15 2.3.4 Retrieving ent
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Tutorials | 17 //Get the category b
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Tutorials | 19 2.6 Queries The Quer
Page 39 and 40: Tutorials | 21 2.6.4 Remove Query R
Page 41 and 42: Tutorials | 23 // Create a blog ent
Page 43 and 44: Tutorials | 25 Below an example of
Page 45 and 46: Tutorials | 27 The logging frequenc
Page 47 and 48: Tutorials | 29 Committing the chang
Page 49 and 50: Tutorials | 31 Get All Blog Entries
Page 51 and 52: Tutorials | 33 2.10 Calendar Calend
Page 53 and 54: Tutorials | 35 Create a New Event C
Page 55 and 56: Tutorials | 37 Create Recurrent Eve
Page 57 and 58: Tutorials | 39 Import Necessary Nam
Page 59 and 60: Tutorials | 41 2.11 Chat The Chat M
Page 61 and 62: Tutorials | 43 2.11.2 Base The base
Page 63 and 64: Tutorials | 45 2.11.5 MessageBox Th
Page 65 and 66: Tutorials | 47 2.12.2 Removing a Cl
Page 67 and 68: Tutorials | 49 Adding an Ad with an
Page 69 and 70: Tutorials | 51 Import Necessary Nam
Page 71 and 72: Tutorials | 53 Get the contact rela
Page 73 and 74: Tutorials | 55 Then create a new Co
Page 75 and 76: Tutorials | 57 2.14.5 Configuration
Page 77 and 78: Tutorials | 59 Then we get the cont
Page 79 and 80: Tutorials | 61 To get a UserCollect
Page 81 and 82: Tutorials | 63 Now we are ready to
Page 83 and 84: Tutorials | 65 Folder inbox = dmc.G
Page 85 and 86: Tutorials | 67 Then we remove it: D
Page 87 and 88: Tutorials | 69 2.17.6 Configuration
Page 89: Tutorials | 71 2.18.2 Add a Member
Page 93 and 94: Tutorials | 75 Assign a Question To
Page 95 and 96: Tutorials | 77 Get Questions Assign
Page 97 and 98: Tutorials | 79 2.19 Forum Forums ar
Page 99 and 100: Tutorials | 81 Locking the Topic To
Page 101 and 102: Tutorials | 83 2.19.7 Removing a Re
Page 103 and 104: Tutorials | 85 First we need the Im
Page 105 and 106: Tutorials | 87 To begin with, we ne
Page 107 and 108: Tutorials | 89 2.21 Moblog The Mobl
Page 109 and 110: Tutorials | 91 2.22 MyPage The EPiS
Page 111 and 112: Tutorials | 93 Getting Blocked User
Page 113 and 114: Tutorials | 95 2.23 NML NML is a ma
Page 115 and 116: Tutorials | 97 Limiting Maximum Wor
Page 117 and 118: Tutorials | 99 Getting a User’s L
Page 119 and 120: Tutorials | 101 Add a Poll In this
Page 121 and 122: Tutorials | 103 Voting in a Poll To
Page 123 and 124: Tutorials | 105 2.25.6 Add Choices
Page 125 and 126: Tutorials | 107 Import Necessary Na
Page 127 and 128: Tutorials | 109 2.27.2 Adding video
Page 129 and 130: Tutorials | 111 Calling AddVideo pr
Page 131 and 132: Tutorials | 113 2.27.6 Get preview
Page 133 and 134: Tutorials | 115 2.28 Webmail Webmai
Page 135 and 136: Tutorials | 117 Import Necessary Na
Page 137 and 138: Tutorials | 119 Accessing a Mailbox
Page 139 and 140: Tutorials | 121 Note that it is rec
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Extending EPiServer Community | 123
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