/// <summary>
/// Gets the excluded keyword search parameters.
/// </summary>
/// <param name="negativeTerms">The negative terms.</param>
/// <returns>The excluded search parameters.</returns>
private static ExcludedKeywordSearchParameter GetExcludedKeywordSearchParams(
SeedKeyword[] negativeTerms)
{
ExcludedKeywordSearchParameter excludedKeywords = new ExcludedKeywordSearchParameter();
List <AdWords.v201502.Keyword> keywords = new List <AdWords.v201502.Keyword>();
foreach (SeedKeyword negativeTerm in negativeTerms)
{
keywords.Add(new AdWords.v201502.Keyword()
{
text = negativeTerm.Keyword.Text,
matchType = negativeTerm.Keyword.MatchType
});
}
excludedKeywords.keywords = keywords.ToArray();
return(excludedKeywords);
}
/// <summary>
/// Gets keyword ideas for the list of Seed keywords.
/// </summary>
/// <param name="user">The user for which keyword ideas are generated.
/// </param>
/// <param name="seedKeywords">The seed keywords for generating ideas.
/// </param>
/// <param name="searchParameters">The search parameters to be used when
/// generating keyword ideas.</param>
/// <returns>A list of keyword ideas.</returns>
private List <KeywordIdea> GetKeywordIdeas(AdWordsUser user, List <string> seedKeywords,
SeedKeyword[] negativeTerms)
{
// Get the TargetingIdeaService.
TargetingIdeaService targetingIdeaService =
(TargetingIdeaService)user.GetService(AdWordsService.v201502.TargetingIdeaService);
ExcludedKeywordSearchParameter excludedTerms = null;
if (negativeTerms.Length > 0)
{
excludedTerms = GetExcludedKeywordSearchParams(negativeTerms);
}
LanguageSearchParameter languageParams = GetLanguageSearchParams();
LocationSearchParameter locationParams = GetLocationSearchParams();
List <KeywordIdea> retval = new List <KeywordIdea>();
for (int i = 0; i < seedKeywords.Count; i += Settings.TIS_KEYWORDS_LIST_SIZE)
{
List <string> keywordsToSearch = new List <string>();
for (int j = i; j < i + Settings.TIS_KEYWORDS_LIST_SIZE && j < seedKeywords.Count; j++)
{
keywordsToSearch.Add(seedKeywords[j]);
}
// Create selector.
TargetingIdeaSelector selector = new TargetingIdeaSelector();
selector.requestType = RequestType.IDEAS;
selector.ideaType = IdeaType.KEYWORD;
selector.requestedAttributeTypes = new AttributeType[] {
AttributeType.KEYWORD_TEXT,
AttributeType.SEARCH_VOLUME,
AttributeType.AVERAGE_CPC,
AttributeType.COMPETITION
};
List <SearchParameter> paramList = new List <SearchParameter>();
paramList.Add(new RelatedToQuerySearchParameter()
{
queries = keywordsToSearch.ToArray(),
});
if (excludedTerms != null)
{
paramList.Add(excludedTerms);
}
paramList.Add(locationParams);
paramList.Add(languageParams);
selector.searchParameters = paramList.ToArray();
// Set selector paging (required for targeting idea service).
Paging paging = new Paging();
paging.startIndex = 0;
paging.numberResults = Settings.PAGE_SIZE;
selector.paging = paging;
int offset = 0;
int pageSize = 500;
TargetingIdeaPage page = new TargetingIdeaPage();
try {
do
{
selector.paging.startIndex = offset;
selector.paging.numberResults = pageSize;
// Get related keywords.
page = targetingIdeaService.get(selector);
// Display related keywords.
if (page.entries != null && page.entries.Length > 0)
{
foreach (TargetingIdea targetingIdea in page.entries)
{
string keyword = null;
long averageMonthlySearches = 0;
long averageCpc = 0;
double competition = 0f;
foreach (Type_AttributeMapEntry entry in targetingIdea.data)
{
if (entry.key == AttributeType.KEYWORD_TEXT)
{
StringAttribute temp = (entry.value as StringAttribute);
if (temp != null)
{
keyword = temp.value;
}
}
if (entry.key == AttributeType.SEARCH_VOLUME)
{
LongAttribute temp = (entry.value as LongAttribute);
if (temp != null)
{
averageMonthlySearches = temp.value;
}
}
if (entry.key == AttributeType.AVERAGE_CPC)
{
MoneyAttribute temp = (entry.value as MoneyAttribute);
if (temp != null && temp.value != null)
{
averageCpc = temp.value.microAmount;
}
}
if (entry.key == AttributeType.COMPETITION)
{
DoubleAttribute temp = (entry.value as DoubleAttribute);
if (temp != null)
{
competition = temp.value;
}
}
}
KeywordIdea keywordIdea = new KeywordIdea()
{
KeywordText = keyword,
AverageSearches = averageMonthlySearches,
AverageCpc = averageCpc,
Competition = Math.Round(competition, Settings.ACCURACY,
MidpointRounding.AwayFromZero)
};
retval.Add(keywordIdea);
}
}
offset += pageSize;
} while (offset < page.totalNumEntries);
} catch (Exception ex) {
throw new System.ApplicationException("Failed to retrieve related keywords.", ex);
}
}
return(retval);
}
